GetCanWithdrawUnfreezeAmount

查询指定时间点账户可提取的解冻金额（Stake 2.0）。

• 服务：同时支持 Wallet 和 WalletSolidity

rpc GetCanWithdrawUnfreezeAmount (CanWithdrawUnfreezeAmountRequestMessage) returns (CanWithdrawUnfreezeAmountResponseMessage) {}

相似 HTTP 接口见 /wallet/getcanwithdrawunfreezeamount。

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