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Implementation of OP_COUNT_ACK

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This commit is contained in:
janko33bd
2018-01-05 22:06:35 +01:00
parent 10ef7d75f5
commit 92bc14233f
9 changed files with 545 additions and 9 deletions
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35
src/script/interpreter.cpp
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@@ -426,7 +426,40 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
break;
}
case OP_NOP1: case OP_NOP4: case OP_NOP5:
case OP_COUNT_ACKS:
{
// (secondary_chain_id ack_period liveness_period -- )
if (stack.size() < 3)
return set_error(serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
valtype& secondaryChainId = stacktop(-3);
if (secondaryChainId.size() < 1 || secondaryChainId.size() > MAX_CHAIN_ID_LENGTH)
return set_error(serror, SCRIPT_ERR_COUNT_ACKS_INVALID_PARAM);
CScriptNum periodAck(stacktop(-2), fRequireMinimal);
if (periodAck < 1 || periodAck > MAX_ACK_PERIOD)
return set_error(serror, SCRIPT_ERR_COUNT_ACKS_INVALID_PARAM);
CScriptNum periodLiveness(stacktop(-1), fRequireMinimal);
if (periodLiveness < MIN_LIVENESS_PERIOD || periodLiveness > MAX_LIVENESS_PERIOD)
return set_error(serror, SCRIPT_ERR_COUNT_ACKS_INVALID_PARAM);
int positiveAcks, negativeAcks;
if (checker.CountAcks(secondaryChainId, periodAck.getint(), periodLiveness.getint(), positiveAcks, negativeAcks)) {
popstack(stack);
popstack(stack);
popstack(stack);
stack.push_back(CScriptNum(positiveAcks).getvch());
stack.push_back(CScriptNum(negativeAcks).getvch());
} else {
return set_error(serror, SCRIPT_ERR_COUNT_ACKS_INVALID_PARAM);
}
break;
}
case OP_NOP1: case OP_NOP5:
case OP_NOP6: case OP_NOP7: case OP_NOP8: case OP_NOP9: case OP_NOP10:
{
if (flags & SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)