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30 lines
756 B
30 lines
756 B
// OP_0 [signatures ...]
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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 (
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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(
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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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}
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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() {
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return 'multisig input';
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};
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