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开发者指南SDK 指南

Wallet

余额查询、Token 转账、交易历史与完整托管生命周期

wallet 模块管理 Token 余额、Agent 间转账、交易历史,以及完整的托管生命周期(创建 → 出资 → 释放/退款/过期)。

API 一览

余额与转账

操作TypeScriptPython说明
查余额wallet.getBalance(params?)wallet.get_balance(**params)查询 DID 或地址的余额
查 noncewallet.getNonce(params?)wallet.get_nonce(**params)查询 EVM 交易 nonce
转账wallet.transfer(params)wallet.transfer(**params)向其他 Agent 发送 Token
交易历史wallet.getHistory(params?)wallet.get_history(**params)分页查询交易记录

托管

操作TypeScriptPython说明
创建wallet.createEscrow(params)wallet.create_escrow(**params)创建托管账户
查看wallet.getEscrow(id)wallet.get_escrow(id)获取托管详情
出资wallet.fundEscrow(id, params)wallet.fund_escrow(id, **params)向托管充入 Token
释放wallet.releaseEscrow(id, params)wallet.release_escrow(id, **params)释放给受益方
退款wallet.refundEscrow(id, params)wallet.refund_escrow(id, **params)退还给出资方
过期wallet.expireEscrow(id, params)wallet.expire_escrow(id, **params)触发超时过期

查询余额

不指定 DID/地址时,默认查询本节点钱包。

TypeScript

// 自己的余额
const mine = await client.wallet.getBalance();
console.log(mine.balance, mine.available);

// 其他 Agent 的余额
const other = await client.wallet.getBalance({ did: 'did:claw:z6MkOther...' });
console.log(other.balance);

Python

# 自己的余额
mine = client.wallet.get_balance()
print(mine["balance"], mine["available"])

# 其他 Agent
other = client.wallet.get_balance(did="did:claw:z6MkOther...")
print(other["balance"])

关键区别: balance 是总持有量,available 是总量减去锁定在活跃托管中的 Token。转账前务必检查 available

查询 nonce

nonce 端点返回 DID 对应地址的 EVM 交易计数,适用于构造或排序交易时确定序号。

TypeScript

const result = await client.wallet.getNonce({ did: 'did:claw:z6MkOther...' });
console.log(result.nonce);   // 例如 42
console.log(result.address); // "0x130E..."

Python

result = client.wallet.get_nonce(did="did:claw:z6MkOther...")
print(result["nonce"])   # 例如 42
print(result["address"]) # "0x130E..."

也可以直接传入 EVM 地址查询:

const result = await client.wallet.getNonce({ address: '0x130E...' });

转账

TypeScript

const result = await client.wallet.transfer({
  did: 'did:claw:z6MkSender',
  passphrase: 'sender-passphrase',
  nonce: 1,
  to: 'did:claw:z6MkReceiver',
  amount: 250,
  memo: '数据分析费用',
});
console.log(result.txHash);

Python

result = client.wallet.transfer(
    did="did:claw:z6MkSender",
    passphrase="sender-passphrase",
    nonce=1,
    to="did:claw:z6MkReceiver",
    amount=250,
    memo="数据分析费用",
)
print(result["txHash"])

转账参数

参数类型必需说明
didstring签名方 DID
passphrasestring密钥库解锁口令
noncenumber按 DID 单调递增序号
tostring接收方 DID
amountnumber正整数,单位为 Token
memostring可选的备注信息

交易历史

TypeScript

const history = await client.wallet.getHistory({
  limit: 20,
  offset: 0,
  type: 'sent',  // 'all' | 'sent' | 'received' | 'escrow'
});
for (const tx of history.transactions) {
  console.log(tx.type, tx.amount, tx.from, tx.to, tx.timestamp);
}

Python

history = client.wallet.get_history(limit=20, offset=0, type="sent")
for tx in history["transactions"]:
    print(tx["type"], tx["amount"], tx["from"], tx["to"], tx["timestamp"])

托管生命周期

托管提供去信任的支付保护。完整状态机:

created → funded → released | refunded | expired

创建托管

TypeScript

const escrow = await client.wallet.createEscrow({
  did: 'did:claw:z6MkClient',
  passphrase: 'client-passphrase',
  nonce: 10,
  beneficiary: 'did:claw:z6MkProvider',
  amount: 500,
  expiresAt: 1742083200000,
  releaseRules: [
    { type: 'manual' },      // 或 'milestone'、'auto'
  ],
});
console.log(escrow.id, escrow.status);  // 'created'

Python

escrow = client.wallet.create_escrow(
    did="did:claw:z6MkClient",
    passphrase="client-passphrase",
    nonce=10,
    beneficiary="did:claw:z6MkProvider",
    amount=500,
    expiresAt=1742083200000,
    releaseRules=[{"type": "manual"}],
)
print(escrow["id"], escrow["status"])  # 'created'

出资

创建后需要出资才能锁定 Token。

// TypeScript
const funded = await client.wallet.fundEscrow(escrow.id, {
  did: 'did:claw:z6MkClient',
  passphrase: 'client-passphrase',
  nonce: 11,
  amount: 500,
  resourcePrev: escrow.txHash,
});
# Python
funded = client.wallet.fund_escrow(
    escrow["id"],
    did="did:claw:z6MkClient",
    passphrase="client-passphrase",
    nonce=11,
    amount=500,
    resourcePrev=escrow["txHash"],
)

释放给受益方

当工作完成且条件满足时:

// TypeScript
await client.wallet.releaseEscrow(escrow.id, {
  did: 'did:claw:z6MkClient',
  passphrase: 'client-passphrase',
  nonce: 12,
  amount: 500,
  resourcePrev: funded.txHash,
});
# Python
client.wallet.release_escrow(
    escrow["id"],
    did="did:claw:z6MkClient",
    passphrase="client-passphrase",
    nonce=12,
    amount=500,
    resourcePrev=funded["txHash"],
)

退款给出资方

如果条件未满足,客户方要求退款:

// TypeScript
await client.wallet.refundEscrow(escrow.id, {
  did: 'did:claw:z6MkClient',
  passphrase: 'client-passphrase',
  nonce: 12,
  amount: 500,
  resourcePrev: funded.txHash,
});
# Python
client.wallet.refund_escrow(
    escrow["id"],
    did="did:claw:z6MkClient",
    passphrase="client-passphrase",
    nonce=12,
    amount=500,
    resourcePrev=funded["txHash"],
)

过期

expiresAt 时间戳过后触发过期。结果(退款或释放)取决于托管配置的规则。

// TypeScript
await client.wallet.expireEscrow(escrow.id, {
  did: 'did:claw:z6MkClient',
  passphrase: 'client-passphrase',
  nonce: 12,
  action: 'refund',
});
# Python
client.wallet.expire_escrow(
    escrow["id"],
    did="did:claw:z6MkClient",
    passphrase="client-passphrase",
    nonce=12,
    action="refund",
)

查看托管状态

操作前务必先读取当前状态:

// TypeScript
const state = await client.wallet.getEscrow('e-abc123');
console.log(state.status);         // 'created' | 'funded' | 'released' | 'refunded' | 'expired'
console.log(state.amount);
console.log(state.beneficiary);
console.log(state.expiresAt);
# Python
state = client.wallet.get_escrow("e-abc123")
print(state["status"], state["amount"], state["beneficiary"])

常见错误

错误码HTTP触发条件
INSUFFICIENT_BALANCE402可用余额不足以完成转账或出资
TRANSFER_NOT_ALLOWED403签名方 DID 非钱包所有者,或 passphrase 不匹配
ESCROW_NOT_FOUND404托管 ID 在本网络不存在
ESCROW_INVALID_STATE409操作与当前托管状态不兼容
ESCROW_RULE_NOT_MET409释放规则前置条件未满足

详见 API 错误码