core/vm, params: implement EXTCODEHASH opcode (#17202)

* core/vm, params: implement EXTCODEHASH opcode * core, params: tiny fixes and polish * core: add function description
2018-07-24 23:06:40 +08:00
parent cab1cff11c
commit 2433349c80
6 changed files with 63 additions and 1 deletions
--- a/core/vm/jump_table.go
+++ b/core/vm/jump_table.go
@ -80,6 +80,12 @@ func newConstantinopleInstructionSet() [256]operation {
 		validateStack: makeStackFunc(2, 1),
 		valid:         true,
 	}
+	instructionSet[EXTCODEHASH] = operation{
+		execute:       opExtCodeHash,
+		gasCost:       gasExtCodeHash,
+		validateStack: makeStackFunc(1, 1),
+		valid:         true,
+	}
 	instructionSet[CREATE2] = operation{
 		execute:       opCreate2,
 		gasCost:       gasCreate2,