core,eth: implement tx-level hooks for tracers (#24510)
* core,eth: add empty tx logger hooks * core,eth: add initial and remaining gas to tx hooks * store tx gasLimit in js tracer * use gasLimit to compute intrinsic cost for js tracer * re-use rules in transitiondb * rm logs * rm logs * Mv some fields from Start to TxStart * simplify sender lookup in prestate tracer * mv env to TxStart * Revert "mv env to TxStart" This reverts commit 656939634b9aff19f55a1cd167345faf8b1ec310. * Revert "simplify sender lookup in prestate tracer" This reverts commit ab65bce48007cab99e68232e7aac2fe008338d50. * Revert "Mv some fields from Start to TxStart" This reverts commit aa50d3d9b2559addc80df966111ef5fb5d0c1b6b. * fix intrinsic gas for prestate tracer * add comments * refactor * fix test case * simplify consumedGas calc in prestate tracer
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@ -62,15 +62,19 @@ func testCtx() *vmContext {
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func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainConfig) (json.RawMessage, error) {
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var (
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env = vm.NewEVM(vmctx.blockCtx, vmctx.txCtx, &dummyStatedb{}, chaincfg, vm.Config{Debug: true, Tracer: tracer})
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gasLimit uint64 = 31000
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startGas uint64 = 10000
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value = big.NewInt(0)
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contract = vm.NewContract(account{}, account{}, value, startGas)
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)
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contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
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tracer.CaptureTxStart(gasLimit)
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tracer.CaptureStart(env, contract.Caller(), contract.Address(), false, []byte{}, startGas, value)
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ret, err := env.Interpreter().Run(contract, []byte{}, false)
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tracer.CaptureEnd(ret, startGas-contract.Gas, 1, err)
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// Rest gas assumes no refund
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tracer.CaptureTxEnd(startGas - contract.Gas)
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if err != nil {
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return nil, err
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}
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