组件使用demo¶
合约集成demo¶
存证demo¶
存证合约的demo
pragma solidity ^0.4.25;
import "./AccountManager.sol";
contract EvidenceDemo {
struct EvidenceData {
string hash;
address owner;
uint256 timestamp;
}
address public _owner;
mapping(string => EvidenceData) private _evidences;
// import AccountManager
AccountManager _accountManager;
constructor(address accountManager) public {
// import accountManager
_accountManager = AccountManager(accountManager);
// set user account instead of external account
_owner = _accountManager.getAccount(msg.sender);
require(_owner != 0x0, "Invalid account!");
}
modifier onlyOwner() {
// get user account by external account
address userAccountAddress = _accountManager.getAccount(msg.sender);
require(userAccountAddress == _owner, "Not admin");
_;
}
function setData(
string hash,
address owner,
uint256 timestamp
) public onlyOwner {
_evidences[hash].hash = hash;
_evidences[hash].owner = owner;
_evidences[hash].timestamp = timestamp;
}
function getData(string hash)
public
view
returns (
string,
address,
uint256
)
{
EvidenceData storage evidence = _evidences[hash];
return (evidence.hash, evidence.owner, evidence.timestamp);
}
}
存证合约的demo在控制台的部署指令
=============================================================================================
Welcome to FISCO BCOS console(1.0.9)!
Type 'help' or 'h' for help. Type 'quit' or 'q' to quit console.
________ ______ ______ ______ ______ _______ ______ ______ ______
| | \/ \ / \ / \ | \ / \ / \ / \
| $$$$$$$$\$$$$$| $$$$$$| $$$$$$| $$$$$$\ | $$$$$$$| $$$$$$| $$$$$$| $$$$$$\
| $$__ | $$ | $$___\$| $$ \$| $$ | $$ | $$__/ $| $$ \$| $$ | $| $$___\$$
| $$ \ | $$ \$$ \| $$ | $$ | $$ | $$ $| $$ | $$ | $$\$$ \
| $$$$$ | $$ _\$$$$$$| $$ __| $$ | $$ | $$$$$$$| $$ __| $$ | $$_\$$$$$$\
| $$ _| $$_| \__| $| $$__/ | $$__/ $$ | $$__/ $| $$__/ | $$__/ $| \__| $$
| $$ | $$ \\$$ $$\$$ $$\$$ $$ | $$ $$\$$ $$\$$ $$\$$ $$
\$$ \$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$
=============================================================================================
[group:1]> deploy EvidenceDemo "0x08ba44f04df9671a2fc298756bc06f1dbca56e11"
revert instruction
[group:1]> deploy AdminGovernBuilder
contract address: 0xc00504c8dad8f75d08ebceda4f7c7b1d13b327d5
[group:1]> call AdminGovernBuilder 0xc00504c8dad8f75d08ebceda4f7c7b1d13b327d5 _governance
0x24c327f0bf851a936c5049b019142709067b711d
[group:1]> call WEGovernance 0x24c327f0bf851a936c5049b019142709067b711d getAccountManager
0x6e869333a1e3dc83501723b7dcb624b09c1757e3
[group:1]> deploy EvidenceDemo "0x6e869333a1e3dc83501723b7dcb624b09c1757e3"
contract address: 0x99276281a782a199d1998ce7a56927d99dcd6c6a
[group:1]> call EvidenceDemo 0x99276281a782a199d1998ce7a56927d99dcd6c6a setData "hash" "0x6e869333a1e3dc83501723b7dcb624b09c1757e3" 1
transaction hash: 0xc7f2531ca9e968a97a6035a4fbfa79f2a0cda7adfb4b9f878e36e4a879fa5249
[group:1]> call EvidenceDemo 0x99276281a782a199d1998ce7a56927d99dcd6c6a getData "hash"
[hash, 0x6e869333a1e3dc83501723b7dcb624b09c1757e3, 1]
转账demo¶
转账合约的demo
pragma solidity ^0.4.25;
library LibSafeMath {
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
}
pragma solidity ^0.4.25;
import "./LibSafeMath.sol";
import "./AccountManager.sol";
contract TransferDemo {
using LibSafeMath for uint256;
mapping(address => uint256) private _balances;
// import AccountManager
AccountManager _accountManager;
constructor(address accountManager, uint256 initBalance) public {
// import accountManager
_accountManager = AccountManager(accountManager);
address owner = _accountManager.getAccount(msg.sender);
_balances[owner] = initBalance;
}
modifier validateAccount(address addr) {
require(
// predicate account status
_accountManager.isExternalAccountNormal(addr),
"Account is abnormal!"
);
_;
}
modifier checkTargetAccount(address sender) {
require(
msg.sender != sender && sender != address(0),
"Can't transfer to illegal address!"
);
_;
}
function balance(address owner) public view returns (uint256) {
// 1.get account by external account, 2.get balace by account.
return _balances[_accountManager.getAccount(owner)];
}
function transfer(address toAddress, uint256 value)
public
// validate source & target account
validateAccount(msg.sender)
validateAccount(toAddress)
checkTargetAccount(toAddress)
returns (bool)
{
// 1. get source account
address fromAccount = _accountManager.getAccount(msg.sender);
// 2. sub the balance of source account
uint256 balanceOfFrom = _balances[fromAccount].sub(value);
// 3. modify the balance of source account
_balances[fromAccount] = balanceOfFrom;
// 4. get target account
address toAccount = _accountManager.getAccount(toAddress);
// 5. add balance of target account
uint256 balanceOfTo = _balances[toAccount].add(value);
// set the new balance of target account
_balances[toAccount] = balanceOfTo;
return true;
}
}
转账合约的demo在控制台的部署指令
=============================================================================================
Welcome to FISCO BCOS console(1.0.9)!
Type 'help' or 'h' for help. Type 'quit' or 'q' to quit console.
________ ______ ______ ______ ______ _______ ______ ______ ______
| | \/ \ / \ / \ | \ / \ / \ / \
| $$$$$$$$\$$$$$| $$$$$$| $$$$$$| $$$$$$\ | $$$$$$$| $$$$$$| $$$$$$| $$$$$$\
| $$__ | $$ | $$___\$| $$ \$| $$ | $$ | $$__/ $| $$ \$| $$ | $| $$___\$$
| $$ \ | $$ \$$ \| $$ | $$ | $$ | $$ $| $$ | $$ | $$\$$ \
| $$$$$ | $$ _\$$$$$$| $$ __| $$ | $$ | $$$$$$$| $$ __| $$ | $$_\$$$$$$\
| $$ _| $$_| \__| $| $$__/ | $$__/ $$ | $$__/ $| $$__/ | $$__/ $| \__| $$
| $$ | $$ \\$$ $$\$$ $$\$$ $$ | $$ $$\$$ $$\$$ $$\$$ $$
\$$ \$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$$ \$$$$$$ \$$$$$$ \$$$$$$
=============================================================================================
[group:1]> deploy AdminGovernBuilder
contract address: 0xd17a5cdcb5e4b1cc3ce67c71c8e0e1dd07f33914
[group:1]> call AdminGovernBuilder 0xd17a5cdcb5e4b1cc3ce67c71c8e0e1dd07f33914 _governance
0xda80ff2d1cd498c86439cf52c1b1a8bb01da6fbc
[group:1]> call WEGovernance 0xda80ff2d1cd498c86439cf52c1b1a8bb01da6fbc getAccountManager
0x199a2b9f43415f1f5ca9da6dc7c3dc124c531fd5
[group:1]> deploy TransferDemo "0x199a2b9f43415f1f5ca9da6dc7c3dc124c531fd5" 1000
contract address: 0x7873756b7a93afed89482040257d332e3fc72336
[group:1]> call TransferDemo 0x7873756b7a93afed89482040257d332e3fc72336 transfer "0x1" 1
The execution of the contract rolled back.
[group:1]> call AccountManager 0x199a2b9f43415f1f5ca9da6dc7c3dc124c531fd5 newAccount "0x1"
transaction hash: 0xf5a806396256e01295d014edf5688afdc0e7c1f4363c47f5bd083a14f1398192
---------------------------------------------------------------------------------------------
Output
function: newAccount(address)
return type: (bool, address)
return value: (true, 0x941d587493454784874e7d463dc76368f20bd3ff)
---------------------------------------------------------------------------------------------
Event logs
event signature: LogSetOwner(address,address) index: 0
event value: (0x0000000000000000000000000000000000000001, 0x941d587493454784874e7d463dc76368f20bd3ff)
event signature: LogManageNewAccount(address,address,address) index: 0
event value: (0x0000000000000000000000000000000000000001, 0x941d587493454784874e7d463dc76368f20bd3ff, 0x199a2b9f43415f1f5ca9da6dc7c3dc124c531fd5)
---------------------------------------------------------------------------------------------
[group:1]> call TransferDemo 0x7873756b7a93afed89482040257d332e3fc72336 transfer "0x1" 1
transaction hash: 0xdbe329df31c18fd54b87139045db1fe2d0358c54139f1b2b649fb730c9a33420
---------------------------------------------------------------------------------------------
Output
function: transfer(address,uint256)
return type: (bool)
return value: (true)
---------------------------------------------------------------------------------------------
[group:1]> call TransferDemo 0x7873756b7a93afed89482040257d332e3fc72336 balance "0x1"
1
[group:1]>
SDK集成Demo¶
提供了SDK集成和使用的demo，展示了如何使用Java SDK。 详情可参考 Governance-Account-Demo