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src/script/interpreter.cpp
| Show First 20 Lines • Show All 958 Lines • ▼ Show 20 Lines | try { | ||||
| } | } | ||||
| } break; | } break; | ||||
| case OP_CHECKMULTISIG: | case OP_CHECKMULTISIG: | ||||
| case OP_CHECKMULTISIGVERIFY: { | case OP_CHECKMULTISIGVERIFY: { | ||||
| // ([sig ...] num_of_signatures [pubkey ...] | // ([sig ...] num_of_signatures [pubkey ...] | ||||
| // num_of_pubkeys -- bool) | // num_of_pubkeys -- bool) | ||||
| int i = 1; | size_t i = 1; | ||||
| if ((int)stack.size() < i) { | if (stack.size() < i) { | ||||
| return set_error( | return set_error( | ||||
| serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | ||||
| } | } | ||||
| int nKeysCount = | int nKeysCount = | ||||
| CScriptNum(stacktop(-i), fRequireMinimal).getint(); | CScriptNum(stacktop(-i), fRequireMinimal).getint(); | ||||
| if (nKeysCount < 0 || | if (nKeysCount < 0 || | ||||
| nKeysCount > MAX_PUBKEYS_PER_MULTISIG) { | nKeysCount > MAX_PUBKEYS_PER_MULTISIG) { | ||||
| return set_error(serror, SCRIPT_ERR_PUBKEY_COUNT); | return set_error(serror, SCRIPT_ERR_PUBKEY_COUNT); | ||||
| } | } | ||||
| nOpCount += nKeysCount; | nOpCount += nKeysCount; | ||||
| if (nOpCount > MAX_OPS_PER_SCRIPT) { | if (nOpCount > MAX_OPS_PER_SCRIPT) { | ||||
| return set_error(serror, SCRIPT_ERR_OP_COUNT); | return set_error(serror, SCRIPT_ERR_OP_COUNT); | ||||
| } | } | ||||
| int ikey = ++i; | size_t ikey = ++i; | ||||
| // ikey2 is the position of last non-signature item in | // ikey2 is the position of last non-signature item in | ||||
| // the stack. Top stack item = 1. With | // the stack. Top stack item = 1. With | ||||
| // SCRIPT_VERIFY_NULLFAIL, this is used for cleanup if | // SCRIPT_VERIFY_NULLFAIL, this is used for cleanup if | ||||
| // operation fails. | // operation fails. | ||||
| int ikey2 = nKeysCount + 2; | size_t ikey2 = nKeysCount + 2; | ||||
| i += nKeysCount; | i += nKeysCount; | ||||
| if ((int)stack.size() < i) { | if (stack.size() < i) { | ||||
| return set_error( | return set_error( | ||||
| serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | ||||
| } | } | ||||
| int nSigsCount = | int nSigsCount = | ||||
| CScriptNum(stacktop(-i), fRequireMinimal).getint(); | CScriptNum(stacktop(-i), fRequireMinimal).getint(); | ||||
| if (nSigsCount < 0 || nSigsCount > nKeysCount) { | if (nSigsCount < 0 || nSigsCount > nKeysCount) { | ||||
| return set_error(serror, SCRIPT_ERR_SIG_COUNT); | return set_error(serror, SCRIPT_ERR_SIG_COUNT); | ||||
| } | } | ||||
| int isig = ++i; | size_t isig = ++i; | ||||
| i += nSigsCount; | i += nSigsCount; | ||||
| if ((int)stack.size() < i) { | if (stack.size() < i) { | ||||
| return set_error( | return set_error( | ||||
| serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | serror, SCRIPT_ERR_INVALID_STACK_OPERATION); | ||||
| } | } | ||||
| // Subset of script starting at the most recent | // Subset of script starting at the most recent | ||||
| // codeseparator | // codeseparator | ||||
| CScript scriptCode(pbegincodehash, pend); | CScript scriptCode(pbegincodehash, pend); | ||||
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