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core/vm: set tracer-observable value of a delegatecall to match parent value #26632

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Feb 10, 2023
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6 changes: 5 additions & 1 deletion core/vm/evm.go
Original file line number Diff line number Diff line change
Expand Up @@ -315,7 +315,11 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by

// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Debug {
evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, nil)
// NOTE: caller must, at all times be a contract. It should never happen
// that caller is something other than a Contract.
parent := caller.(*Contract)
// DELEGATECALL inherits value from parent call
evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, parent.value)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
}(gas)
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,8 @@
"input": "0x7d65837a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a529806c67cc6486d4d62024471772f47f6fd672",
"output": "0x0000000000000000000000000000000000000000000000000000000000000001",
"to": "0x42b02b5deeb78f34cd5ac896473b63e6c99a71a2",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
}
],
"from": "0x269296dddce321a6bcbaa2f0181127593d732cba",
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x24d4e90a0000000000000000000000000000000000000000000000020000000000000000",
"output": "0x000000000000000000000000000000000000000000000000b17217f7d1cf79ab",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -174,7 +175,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x872fb2b5000000000000000000000000000000000000000000000000c330b3f7006420b8",
"output": "0x00000000000000000000000000000000000000000000000224bf7df2c80f0878",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -183,7 +185,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x872fb2b50000000000000000000000000000000000000000000000000000000000000000",
"output": "0x00000000000000000000000000000000000000000000000100000016aee6e8ef",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -192,7 +195,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x24d4e90a00000000000000000000000000000000000000000000000324bf7e0976f5f167",
"output": "0x0000000000000000000000000000000000000000000000012535c5e5f87ee0d2",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -201,7 +205,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x872fb2b5000000000000000000000000000000000000000000000000c330b3f7006420b8",
"output": "0x00000000000000000000000000000000000000000000000224bf7df2c80f0878",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -210,7 +215,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x872fb2b500000000000000000000000000000000000000000000000237d37fe5d297a500",
"output": "0x0000000000000000000000000000000000000000000000093088c407fcbbce38",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
},
{
"from": "0x8695e5e79dab06fbbb05f445316fa4edb0da30f0",
Expand All @@ -219,7 +225,8 @@
"to": "0xef3487d24a0702703e04a26cef479e313c8fc7ae",
"input": "0x24d4e90a00000000000000000000000000000000000000000000000b554841fac4cad6b0",
"output": "0x0000000000000000000000000000000000000000000000026d7fc130d6a74cbe",
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
}
],
"value": "0x0",
Expand Down Expand Up @@ -387,7 +394,8 @@
"data": "0x000000000000000000000000000000000000000000000000de0b6b3a76400000"
}
],
"type": "DELEGATECALL"
"type": "DELEGATECALL",
"value": "0x0"
}
],
"value": "0x0",
Expand Down