d-yokoi
6 years ago
21 changed files with 249 additions and 199 deletions
@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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|
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,21 +1,30 @@ |
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// OP_0 [signatures ...]
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import * as bscript from '../../script' |
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import { OPS } from '../../script' |
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import * as bscript from '../../script'; |
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import { OPS } from '../../script'; |
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function partialSignature (value: number | Buffer): boolean { |
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return value === OPS.OP_0 || bscript.isCanonicalScriptSignature(<Buffer>value) |
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function partialSignature(value: number | Buffer): boolean { |
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return ( |
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value === OPS.OP_0 || bscript.isCanonicalScriptSignature(<Buffer>value) |
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); |
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} |
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export function check (script: Buffer | Array<number | Buffer>, allowIncomplete?: boolean): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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if (chunks.length < 2) return false |
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if (chunks[0] !== OPS.OP_0) return false |
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export function check( |
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script: Buffer | Array<number | Buffer>, |
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allowIncomplete?: boolean, |
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): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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if (chunks.length < 2) return false; |
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if (chunks[0] !== OPS.OP_0) return false; |
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if (allowIncomplete) { |
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return chunks.slice(1).every(partialSignature) |
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return chunks.slice(1).every(partialSignature); |
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} |
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return (<Array<Buffer>>chunks.slice(1)).every(bscript.isCanonicalScriptSignature) |
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return (<Array<Buffer>>chunks.slice(1)).every( |
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bscript.isCanonicalScriptSignature, |
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); |
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} |
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check.toJSON = function () { return 'multisig input' } |
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check.toJSON = function() { |
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return 'multisig input'; |
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}; |
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@ -1,27 +1,32 @@ |
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// m [pubKeys ...] n OP_CHECKMULTISIG
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import * as bscript from '../../script' |
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import * as types from '../../types' |
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import { OPS } from '../../script' |
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const OP_INT_BASE = OPS.OP_RESERVED // OP_1 - 1
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import * as bscript from '../../script'; |
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import * as types from '../../types'; |
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import { OPS } from '../../script'; |
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const OP_INT_BASE = OPS.OP_RESERVED; // OP_1 - 1
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export function check (script: Buffer | Array<number | Buffer>, allowIncomplete?: boolean): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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export function check( |
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script: Buffer | Array<number | Buffer>, |
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allowIncomplete?: boolean, |
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): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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if (chunks.length < 4) return false |
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if (chunks[chunks.length - 1] !== OPS.OP_CHECKMULTISIG) return false |
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if (!types.Number(chunks[0])) return false |
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if (!types.Number(chunks[chunks.length - 2])) return false |
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const m = <number>chunks[0] - OP_INT_BASE |
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const n = <number>chunks[chunks.length - 2] - OP_INT_BASE |
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if (chunks.length < 4) return false; |
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if (chunks[chunks.length - 1] !== OPS.OP_CHECKMULTISIG) return false; |
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if (!types.Number(chunks[0])) return false; |
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if (!types.Number(chunks[chunks.length - 2])) return false; |
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const m = <number>chunks[0] - OP_INT_BASE; |
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const n = <number>chunks[chunks.length - 2] - OP_INT_BASE; |
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if (m <= 0) return false |
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if (n > 16) return false |
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if (m > n) return false |
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if (n !== chunks.length - 3) return false |
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if (allowIncomplete) return true |
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if (m <= 0) return false; |
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if (n > 16) return false; |
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if (m > n) return false; |
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if (n !== chunks.length - 3) return false; |
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if (allowIncomplete) return true; |
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const keys = <Array<Buffer>> chunks.slice(1, -2) |
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return keys.every(bscript.isCanonicalPubKey) |
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const keys = <Array<Buffer>>chunks.slice(1, -2); |
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return keys.every(bscript.isCanonicalPubKey); |
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} |
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check.toJSON = function () { return 'multi-sig output' } |
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check.toJSON = function() { |
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return 'multi-sig output'; |
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}; |
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@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,11 +1,14 @@ |
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// {signature}
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import * as bscript from '../../script' |
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import * as bscript from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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return chunks.length === 1 && |
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bscript.isCanonicalScriptSignature(<Buffer>chunks[0]) |
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return ( |
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chunks.length === 1 && bscript.isCanonicalScriptSignature(<Buffer>chunks[0]) |
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); |
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} |
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check.toJSON = function () { return 'pubKey input' } |
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check.toJSON = function() { |
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return 'pubKey input'; |
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}; |
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@ -1,13 +1,17 @@ |
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// {pubKey} OP_CHECKSIG
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import * as bscript from '../../script' |
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import { OPS } from '../../script' |
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import * as bscript from '../../script'; |
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import { OPS } from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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return chunks.length === 2 && |
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return ( |
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chunks.length === 2 && |
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bscript.isCanonicalPubKey(<Buffer>chunks[0]) && |
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chunks[1] === OPS.OP_CHECKSIG |
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); |
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} |
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check.toJSON = function () { return 'pubKey output' } |
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check.toJSON = function() { |
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return 'pubKey output'; |
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}; |
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@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,12 +1,16 @@ |
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// {signature} {pubKey}
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import * as bscript from '../../script' |
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import * as bscript from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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return chunks.length === 2 && |
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return ( |
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chunks.length === 2 && |
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bscript.isCanonicalScriptSignature(<Buffer>chunks[0]) && |
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bscript.isCanonicalPubKey(<Buffer>chunks[1]) |
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); |
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} |
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check.toJSON = function () { return 'pubKeyHash input' } |
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check.toJSON = function() { |
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return 'pubKeyHash input'; |
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}; |
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@ -1,16 +1,20 @@ |
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// OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG
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import * as bscript from '../../script' |
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import { OPS } from '../../script' |
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import * as bscript from '../../script'; |
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import { OPS } from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script); |
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return buffer.length === 25 && |
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return ( |
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buffer.length === 25 && |
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buffer[0] === OPS.OP_DUP && |
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buffer[1] === OPS.OP_HASH160 && |
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buffer[2] === 0x14 && |
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buffer[23] === OPS.OP_EQUALVERIFY && |
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buffer[24] === OPS.OP_CHECKSIG |
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); |
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} |
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check.toJSON = function () { return 'pubKeyHash output' } |
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check.toJSON = function() { |
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return 'pubKeyHash output'; |
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}; |
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@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,46 +1,61 @@ |
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// <scriptSig> {serialized scriptPubKey script}
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import * as bscript from '../../script' |
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import * as p2ms from '../multisig' |
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import * as p2pk from '../pubkey' |
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import * as p2pkh from '../pubkeyhash' |
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import * as p2wpkho from '../witnesspubkeyhash/output' |
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import * as p2wsho from '../witnessscripthash/output' |
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export function check (script: Buffer | Array<number | Buffer>, allowIncomplete?: boolean): boolean { |
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const chunks = bscript.decompile(script)! |
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if (chunks.length < 1) return false |
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const lastChunk = chunks[chunks.length - 1] |
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if (!Buffer.isBuffer(lastChunk)) return false |
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const scriptSigChunks = bscript.decompile(bscript.compile(chunks.slice(0, -1)))! |
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const redeemScriptChunks = bscript.decompile(lastChunk) |
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import * as bscript from '../../script'; |
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import * as p2ms from '../multisig'; |
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import * as p2pk from '../pubkey'; |
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import * as p2pkh from '../pubkeyhash'; |
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import * as p2wpkho from '../witnesspubkeyhash/output'; |
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import * as p2wsho from '../witnessscripthash/output'; |
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export function check( |
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script: Buffer | Array<number | Buffer>, |
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allowIncomplete?: boolean, |
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): boolean { |
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const chunks = bscript.decompile(script)!; |
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if (chunks.length < 1) return false; |
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const lastChunk = chunks[chunks.length - 1]; |
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if (!Buffer.isBuffer(lastChunk)) return false; |
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const scriptSigChunks = bscript.decompile( |
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bscript.compile(chunks.slice(0, -1)), |
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)!; |
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const redeemScriptChunks = bscript.decompile(lastChunk); |
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// is redeemScript a valid script?
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if (!redeemScriptChunks) return false |
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if (!redeemScriptChunks) return false; |
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// is redeemScriptSig push only?
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if (!bscript.isPushOnly(scriptSigChunks)) return false |
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if (!bscript.isPushOnly(scriptSigChunks)) return false; |
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// is witness?
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if (chunks.length === 1) { |
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return p2wsho.check(redeemScriptChunks) || |
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p2wpkho.check(redeemScriptChunks) |
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return ( |
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p2wsho.check(redeemScriptChunks) || p2wpkho.check(redeemScriptChunks) |
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); |
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} |
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// match types
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if (p2pkh.input.check(scriptSigChunks) && |
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p2pkh.output.check(redeemScriptChunks)) return true |
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if (p2ms.input.check(scriptSigChunks, allowIncomplete) && |
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p2ms.output.check(redeemScriptChunks)) return true |
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if (p2pk.input.check(scriptSigChunks) && |
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p2pk.output.check(redeemScriptChunks)) return true |
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return false |
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if ( |
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p2pkh.input.check(scriptSigChunks) && |
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p2pkh.output.check(redeemScriptChunks) |
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) |
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return true; |
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if ( |
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p2ms.input.check(scriptSigChunks, allowIncomplete) && |
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p2ms.output.check(redeemScriptChunks) |
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) |
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return true; |
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if ( |
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p2pk.input.check(scriptSigChunks) && |
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p2pk.output.check(redeemScriptChunks) |
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) |
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return true; |
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return false; |
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} |
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check.toJSON = function () { return 'scriptHash input' } |
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check.toJSON = function() { |
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return 'scriptHash input'; |
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}; |
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@ -1,14 +1,18 @@ |
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// OP_HASH160 {scriptHash} OP_EQUAL
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import * as bscript from '../../script' |
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import { OPS } from '../../script' |
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import * as bscript from '../../script'; |
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import { OPS } from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script); |
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return buffer.length === 23 && |
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return ( |
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buffer.length === 23 && |
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buffer[0] === OPS.OP_HASH160 && |
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buffer[1] === 0x14 && |
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buffer[22] === OPS.OP_EQUAL |
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); |
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} |
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check.toJSON = function () { return 'scriptHash output' } |
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check.toJSON = function() { |
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return 'scriptHash output'; |
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}; |
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@ -1,5 +1,3 @@ |
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import * as output from './output' |
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import * as output from './output'; |
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export { |
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output, |
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} |
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export { output }; |
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@ -1,36 +1,40 @@ |
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// OP_RETURN {aa21a9ed} {commitment}
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import * as bscript from '../../script' |
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import * as types from '../../types' |
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import * as bscript from '../../script'; |
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import * as types from '../../types'; |
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const typeforce = require('typeforce') |
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import { OPS } from '../../script' |
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const typeforce = require('typeforce'); |
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import { OPS } from '../../script'; |
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const HEADER: Buffer = Buffer.from('aa21a9ed', 'hex') |
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const HEADER: Buffer = Buffer.from('aa21a9ed', 'hex'); |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script); |
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return buffer.length > 37 && |
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return ( |
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buffer.length > 37 && |
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buffer[0] === OPS.OP_RETURN && |
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buffer[1] === 0x24 && |
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buffer.slice(2, 6).equals(HEADER) |
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); |
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} |
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check.toJSON = function () { return 'Witness commitment output' } |
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check.toJSON = function() { |
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return 'Witness commitment output'; |
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}; |
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export function encode (commitment: Buffer): Buffer { |
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typeforce(types.Hash256bit, commitment) |
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export function encode(commitment: Buffer): Buffer { |
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typeforce(types.Hash256bit, commitment); |
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const buffer = Buffer.allocUnsafe(36) |
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HEADER.copy(buffer, 0) |
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commitment.copy(buffer, 4) |
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const buffer = Buffer.allocUnsafe(36); |
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HEADER.copy(buffer, 0); |
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commitment.copy(buffer, 4); |
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return bscript.compile([OPS.OP_RETURN, buffer]) |
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return bscript.compile([OPS.OP_RETURN, buffer]); |
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} |
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export function decode (buffer: Buffer): Buffer { |
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typeforce(check, buffer) |
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export function decode(buffer: Buffer): Buffer { |
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typeforce(check, buffer); |
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return (<Buffer>bscript.decompile(buffer)![1]).slice(4, 36) |
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return (<Buffer>bscript.decompile(buffer)![1]).slice(4, 36); |
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} |
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@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,16 +1,20 @@ |
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// {signature} {pubKey}
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import * as bscript from '../../script' |
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import * as bscript from '../../script'; |
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function isCompressedCanonicalPubKey (pubKey: Buffer): boolean { |
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return bscript.isCanonicalPubKey(pubKey) && pubKey.length === 33 |
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function isCompressedCanonicalPubKey(pubKey: Buffer): boolean { |
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return bscript.isCanonicalPubKey(pubKey) && pubKey.length === 33; |
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} |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const chunks = <Array<number | Buffer>>bscript.decompile(script); |
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return chunks.length === 2 && |
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return ( |
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chunks.length === 2 && |
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bscript.isCanonicalScriptSignature(<Buffer>chunks[0]) && |
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isCompressedCanonicalPubKey(<Buffer>chunks[1]) |
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); |
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} |
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check.toJSON = function () { return 'witnessPubKeyHash input' } |
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check.toJSON = function() { |
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return 'witnessPubKeyHash input'; |
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}; |
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@ -1,13 +1,13 @@ |
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// OP_0 {pubKeyHash}
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import * as bscript from '../../script' |
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import { OPS } from '../../script' |
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import * as bscript from '../../script'; |
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import { OPS } from '../../script'; |
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export function check (script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script) |
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export function check(script: Buffer | Array<number | Buffer>): boolean { |
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const buffer = bscript.compile(script); |
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return buffer.length === 22 && |
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buffer[0] === OPS.OP_0 && |
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buffer[1] === 0x14 |
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return buffer.length === 22 && buffer[0] === OPS.OP_0 && buffer[1] === 0x14; |
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} |
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check.toJSON = function () { return 'Witness pubKeyHash output' } |
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check.toJSON = function() { |
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return 'Witness pubKeyHash output'; |
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}; |
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@ -1,7 +1,4 @@ |
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import * as input from './input' |
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import * as output from './output' |
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import * as input from './input'; |
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import * as output from './output'; |
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export { |
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input, |
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output, |
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} |
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export { input, output }; |
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@ -1,36 +1,50 @@ |
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// <scriptSig> {serialized scriptPubKey script}
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import * as bscript from '../../script' |
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const typeforce = require('typeforce') |
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import * as bscript from '../../script'; |
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const typeforce = require('typeforce'); |
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import * as p2ms from '../multisig' |
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import * as p2pk from '../pubkey' |
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import * as p2pkh from '../pubkeyhash' |
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import * as p2ms from '../multisig'; |
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import * as p2pk from '../pubkey'; |
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import * as p2pkh from '../pubkeyhash'; |
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export function check (chunks: Array<Buffer>, allowIncomplete?: boolean): boolean { |
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typeforce(typeforce.Array, chunks) |
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if (chunks.length < 1) return false |
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export function check( |
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chunks: Array<Buffer>, |
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allowIncomplete?: boolean, |
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): boolean { |
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typeforce(typeforce.Array, chunks); |
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if (chunks.length < 1) return false; |
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const witnessScript = chunks[chunks.length - 1] |
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if (!Buffer.isBuffer(witnessScript)) return false |
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const witnessScript = chunks[chunks.length - 1]; |
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if (!Buffer.isBuffer(witnessScript)) return false; |
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|
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const witnessScriptChunks = bscript.decompile(witnessScript) |
|||
const witnessScriptChunks = bscript.decompile(witnessScript); |
|||
|
|||
// is witnessScript a valid script?
|
|||
if (!witnessScriptChunks || witnessScriptChunks.length === 0) return false |
|||
if (!witnessScriptChunks || witnessScriptChunks.length === 0) return false; |
|||
|
|||
const witnessRawScriptSig = bscript.compile(chunks.slice(0, -1)) |
|||
const witnessRawScriptSig = bscript.compile(chunks.slice(0, -1)); |
|||
|
|||
// match types
|
|||
if (p2pkh.input.check(witnessRawScriptSig) && |
|||
p2pkh.output.check(witnessScriptChunks)) return true |
|||
|
|||
if (p2ms.input.check(witnessRawScriptSig, allowIncomplete) && |
|||
p2ms.output.check(witnessScriptChunks)) return true |
|||
|
|||
if (p2pk.input.check(witnessRawScriptSig) && |
|||
p2pk.output.check(witnessScriptChunks)) return true |
|||
|
|||
return false |
|||
if ( |
|||
p2pkh.input.check(witnessRawScriptSig) && |
|||
p2pkh.output.check(witnessScriptChunks) |
|||
) |
|||
return true; |
|||
|
|||
if ( |
|||
p2ms.input.check(witnessRawScriptSig, allowIncomplete) && |
|||
p2ms.output.check(witnessScriptChunks) |
|||
) |
|||
return true; |
|||
|
|||
if ( |
|||
p2pk.input.check(witnessRawScriptSig) && |
|||
p2pk.output.check(witnessScriptChunks) |
|||
) |
|||
return true; |
|||
|
|||
return false; |
|||
} |
|||
check.toJSON = function () { return 'witnessScriptHash input' } |
|||
check.toJSON = function() { |
|||
return 'witnessScriptHash input'; |
|||
}; |
|||
|
@ -1,13 +1,13 @@ |
|||
// OP_0 {scriptHash}
|
|||
|
|||
import * as bscript from '../../script' |
|||
import { OPS } from '../../script' |
|||
import * as bscript from '../../script'; |
|||
import { OPS } from '../../script'; |
|||
|
|||
export function check (script: Buffer | Array<number | Buffer>): boolean { |
|||
const buffer = bscript.compile(script) |
|||
export function check(script: Buffer | Array<number | Buffer>): boolean { |
|||
const buffer = bscript.compile(script); |
|||
|
|||
return buffer.length === 34 && |
|||
buffer[0] === OPS.OP_0 && |
|||
buffer[1] === 0x20 |
|||
return buffer.length === 34 && buffer[0] === OPS.OP_0 && buffer[1] === 0x20; |
|||
} |
|||
check.toJSON = function () { return 'Witness scriptHash output' } |
|||
check.toJSON = function() { |
|||
return 'Witness scriptHash output'; |
|||
}; |
|||
|
Loading…
Reference in new issue