From d636372c2334d713496aaea56874704d2ea108a2 Mon Sep 17 00:00:00 2001 From: Gav Wood Date: Tue, 3 Mar 2015 13:46:30 +0100 Subject: [PATCH] Fee structure stuff. --- feeStructure.json | 88 ++++++++++++++++++++++--------------- libethcore/Params.h | 8 ++++ libethereum/Precompiled.cpp | 12 ++--- 3 files changed, 66 insertions(+), 42 deletions(-) diff --git a/feeStructure.json b/feeStructure.json index f09464a5a..f5acf0f0b 100644 --- a/feeStructure.json +++ b/feeStructure.json @@ -1,38 +1,54 @@ -{ - "tierStepGas": [ 0, 2, 3, 5, 8, 10, 20 ], - "expGas": 10, - "expByteGas": 10, - - "sha3Gas": 30, - "sha3WordGas": 6, - - "sloadGas": 50, - "sstoreSetGas": 20000, - "sstoreResetGas": 5000, - "sstoreClearGas": 5000, - "sstoreRefundGas": 15000, - "jumpdestGas": 1, - - "logGas": 375, - "logDataGas": 8, - "logTopicGas": 375, - - "createGas": 32000, - - "callGas": 40, - "callStipend": 2300, - "callValueTransferGas": 9000, - "callNewAccountGas": 25000, - - "suicideRefundGas": 24000, - - "memoryGas": 3, - "quadCoeffDiv": 512, +var x = { + "tierStepGas": { "v": [ 0, 2, 3, 5, 8, 10, 20 ], "d": "Once per operation, for a selection of them." }, + "expGas": { "v": 10, "d": "Once per EXP instuction." }, + "expByteGas": { "v": 10, "d": "Times ceil(log256(exponent)) for the EXP instruction." }, + + "sha3Gas": { "v": 30, "d": "Once per SHA3 operation." }, + "sha3WordGas": { "v": 6, "d": "Once per word of the SHA3 operation's data." }, + + "sloadGas": { "v": 50, "d": "Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added." }, + "sstoreSetGas": { "v": 20000, "d": "Once per SLOAD operation." }, + "sstoreResetGas": { "v": 5000, "d": "Once per SSTORE operation if the zeroness changes from zero." }, + "sstoreClearGas": { "v": 5000, "d": "Once per SSTORE operation if the zeroness doesn't change." }, + "sstoreRefundGas": { "v": 15000, "d": "Once per SSTORE operation if the zeroness changes to zero." }, + "jumpdestGas": { "v": 1, "d": "Refunded gas, once per SSTORE operation if the zeroness changes to zero." }, + + "logGas": { "v": 375, "d": "Per LOG* operation." }, + "logDataGas": { "v": 8, "d": "Per byte in a LOG* operation's data." }, + "logTopicGas": { "v": 375, "d": "Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas." }, + + "createGas": { "v": 32000, "d": "Once per CREATE operation & contract-creation transaction." }, + + "callGas": { "v": 40, "d": "Once per CALL operation & message call transaction." }, + "callStipend": { "v": 2300, "d": "Free gas given at beginning of call." }, + "callValueTransferGas": { "v": 9000, "d": "Paid for CALL when the value transfor is non-zero." }, + "callNewAccountGas": { "v": 25000, "d": "Paid for CALL when the destination address didn't exist prior." }, + + "suicideRefundGas": { "v": 24000, "d": "Refunded following a suicide operation." }, + + "memoryGas": { "v": 3, "d": "Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL." }, + "quadCoeffDiv": { "v": 512, "d": "Divisor for the quadratic particle of the memory cost equation." }, + + "createDataGas": { "v": 200, "d": "" }, + "txGas": { "v": 21000, "d": "Per transaction. NOTE: Not payable on data of calls between transactions." }, + "txDataZeroGas": { "v": 4, "d": "Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions." }, + "txDataNonZeroGas": { "v": 68, "d": "Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions." }, + + "copyGas": { "v": 3, "d": "" }, + + "ecrecoverGas": { "v": 3000, "d": "" }, + "sha256Gas": { "v": 60, "d": "" }, + "sha256WordGas": { "v": 12, "d": "" }, + "ripemd160Gas": { "v": 600, "d": "" }, + "ripemd160WordGas": { "v": 120, "d": "" }, + "identityGas": { "v": 15, "d": "" }, + "identityWordGas": { "v": 3, "d": ""} +} - "createDataGas": 200, - "txGas": 21000, - "txDataZeroGas": 4, - "txDataNonZeroGas": 68, +/* +// to get C++ .h: +for (i in x) console.log("/// " + x[i].d + "\nextern u256 const c_" + i + (x[i].v * 0 !== 0 ? "[" + (x[i].v.length + 1) + "]" : "") + ";") +// to get C++ .cpp: +for (i in x) console.log("u256 const c_" + i + (x[i].v * 0 === 0 ? " = " + x[i].v : "[] = {" + x[i].v.join(", ") + ", 0}") + ";") +*/ - "copyGas": 3, -} diff --git a/libethcore/Params.h b/libethcore/Params.h index cab1852fa..242a44ddd 100644 --- a/libethcore/Params.h +++ b/libethcore/Params.h @@ -74,5 +74,13 @@ extern u256 const c_ripemd160WordGas; extern u256 const c_identityGas; extern u256 const c_identityWordGas; +extern u256 const c_ecrecoverGas; +extern u256 const c_sha256Gas; +extern u256 const c_sha256WordGas; +extern u256 const c_ripemd160Gas; +extern u256 const c_ripemd160WordGas; +extern u256 const c_identityGas; +extern u256 const c_identityWordGas; + } } diff --git a/libethereum/Precompiled.cpp b/libethereum/Precompiled.cpp index 7f2d5b501..c62a00f88 100644 --- a/libethereum/Precompiled.cpp +++ b/libethereum/Precompiled.cpp @@ -23,8 +23,8 @@ #include #include -#include -#include +#include +#include using namespace std; using namespace dev; using namespace dev::eth; @@ -83,10 +83,10 @@ static bytes identityCode(bytesConstRef _in) static const std::map c_precompiled = { - { 1, { [](bytesConstRef) -> bigint { return (bigint)3000; }, ecrecoverCode }}, - { 2, { [](bytesConstRef i) -> bigint { return (bigint)60 + (i.size() + 31) / 32 * 12; }, sha256Code }}, - { 3, { [](bytesConstRef i) -> bigint { return (bigint)600 + (i.size() + 31) / 32 * 120; }, ripemd160Code }}, - { 4, { [](bytesConstRef i) -> bigint { return (bigint)15 + (i.size() + 31) / 32 * 3; }, identityCode }} + { 1, { [](bytesConstRef) -> bigint { return c_ecrecoverGas; }, ecrecoverCode }}, + { 2, { [](bytesConstRef i) -> bigint { return c_sha256Gas + (i.size() + 31) / 32 * c_sha256WordGas; }, sha256Code }}, + { 3, { [](bytesConstRef i) -> bigint { return c_ripemd160Gas + (i.size() + 31) / 32 * c_ripemd160WordGas; }, ripemd160Code }}, + { 4, { [](bytesConstRef i) -> bigint { return c_identityGas + (i.size() + 31) / 32 * c_identityWordGas; }, identityCode }} }; std::map const& dev::eth::precompiled()