[英]Truffle test failed with "invalid opcode"
我正在使用 truffle 為我的智能合約編寫單元測試,當我使用“truffle test”運行測試時,測試失敗並出現此錯誤“錯誤:返回錯誤:處理事務時 VM 異常:操作碼無效”。
智能合約代碼:
pragma solidity ^0.4.3;
contract owned {
address public owner;
/* Initialise contract creator as owner */
function owned() public {
owner = msg.sender;
}
/* Function to dictate that only the designated owner can call a function */
modifier onlyOwner {
require(owner == msg.sender);
_;
}
/* Transfer ownership of this contract to someone else */
function transferOwnership(address newOwner) public onlyOwner() {
owner = newOwner;
}
}
/*
* @title AsnScRegistry
* Open Vote Network
* A self-talling protocol that supports voter privacy.
*
* Author: Shahrul Sharudin
*/
contract AsnScRegistry is owned{
struct IPAddress {
uint128 ip;
uint8 mask;
}
struct MemberAddresses {
address contractAddress;
address walletAddress;
uint index;
}
mapping (uint => IPAddress[]) managedIps;
mapping (uint => MemberAddresses) ethAddresses;
uint[] private registeredAsn;
function getManagedIpByAsn(uint _asn) view public returns (uint128[] _ip, uint8[] _mask){
IPAddress[] memory addresses = managedIps[_asn];
uint128[] memory ips = new uint128[](addresses.length);
uint8[] memory mask = new uint8[](addresses.length);
for (uint i = 0; i < addresses.length; i++) {
ips[i] = addresses[i].ip;
mask[i] = addresses[i].mask;
}
return (ips, mask);
}
function getMemberAddressesByAsn(uint _asn) view public returns (address _contractAddress, address _walletAddress){
MemberAddresses memory memberAddresses = ethAddresses[_asn];
return (memberAddresses.contractAddress, memberAddresses.walletAddress);
}
function addMember(uint _asn, uint128[] _ip, uint8[] _mask, address _contractAddress, address _walletAddress) public {
MemberAddresses memory member = ethAddresses[_asn];
//throw error if member already exist
assert(member.contractAddress != 0);
for(uint i=0; i<_ip.length; i++){
managedIps[_asn].push(IPAddress({ip:_ip[i], mask:_mask[i]}));
}
uint idx = registeredAsn.push(_asn)-1;
ethAddresses[_asn] = MemberAddresses({contractAddress:_contractAddress, walletAddress:_walletAddress, index:idx});
}
function removeMember(uint _asn) public returns (uint[] _registeredAsn){
//uint memory index = ethAddresses[_asn].index;
if (ethAddresses[_asn].index >= registeredAsn.length) return;
for (uint i = ethAddresses[_asn].index; i<registeredAsn.length - 1; i++){
registeredAsn[i] = registeredAsn[i+1];
}
registeredAsn.length--;
delete managedIps[_asn];
delete ethAddresses[_asn];
return registeredAsn;
}
function getTotalMembers() view public returns (uint _totalMembers) {
return (registeredAsn.length);
}
function getRegisteredAsn() view public returns (uint[] _asn){
return (registeredAsn);
}
}
javascript 單元測試:
const AsnScRegistry = artifacts.require('./AsnScRegistry.sol')
const assert = require('assert')
const ip = [3524503734,3232235776];
const mask = [255,255];
const contractAddress = '0x1234567890123456789012345678901234567891';
const walletAddress = '0x1234567890123456789012345678901234567891';
const asn = 123;
let registryInstance;
contract("AsnScRegistry", accounts => {
it("Should add a new member", () =>
AsnScRegistry.deployed()
.then(instance => {
registryInstance = instance;
return instance.addMember(asn, ip, mask, contractAddress, walletAddress);
})
.then(() => registryInstance.getTotalMembers())
.then(total => assert.equal(total.toNumber(), 1, "xxxxx"))
);
});
完整的源代碼在這里: https://github.com/shaza4061/electioncommissioner
我希望 addMember() function 將信息存儲在智能合約中, getTotalMembers() 返回registeredAsn []數組中的記錄數和單元測試中的斷言通過。
以下錯誤消息“錯誤:返回的錯誤:處理事務時的 VM 異常:無效的操作碼”表明斷言語句失敗。
在您的代碼中,您有一個導致此錯誤的斷言。
//throw error if member already exist
assert(member.contractAddress != 0);
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