fix value for Delegate call

graphprotocol · Jan 11, 2024 · 61c3eae · 61c3eae
1 parent 306266f
commit 61c3eae
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/core/vm/evm.go b/core/vm/evm.go
@@ -172,6 +172,12 @@ func (evm *EVM) call(typ OpCode, caller ContractRef, addr libcommon.Address, inp
 		v := value
 		if typ == STATICCALL {
 			v = nil
+		} else if typ == DELEGATECALL {
+			// 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
+			v = parent.value
 		}
 		evm.captureBegin(depth == 0, typ, caller.Address(), addr, isPrecompile, input, gas, v, code)
 		defer func(startGas uint64) {