Add a trace option that counts executed opcodes #1351
Description
See ipsilon/evmone#1274 for an implementation.
The general shape of this interface is:
- Add a t8n command line argument
--opcode.count <file-name>. - Save a JSON blob to the given file containing the number of times each instruction is executed.
Sample JSON:
{
"STOP": 1,
"ADD": 1,
"MOD": 1,
"EQ": 1,
"CALLER": 1,
"CALLDATALOAD": 1,
"TIMESTAMP": 2,
"SSTORE": 2,
"JUMPI": 1,
"JUMPDEST": 1,
"PUSH0": 2,
"PUSH1": 2,
"PUSH3": 2,
"PUSH20": 1,
"DUP2": 1,
"SWAP1": 1,
"RETURN": 1
}