我正在尝试调用“fetchPairData”函数(https://uniswap.org/docs/v2/SDK/fetcher/),但出现以下错误。
Error: call revert exception (method="getReserves()", errorSignature=null, errorArgs=[null], reason=null, code=CALL_EXCEPTION, version=abi/5.1.2)
at Logger.makeError (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\logger\lib\index.js:180:21)
at Logger.throwError (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\logger\lib\index.js:189:20)
at Interface.decodeFunctionResult (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\abi\lib\interface.js:289:23)
at Contract.<anonymous> (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\contracts\lib\index.js:329:56)
at step (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\contracts\lib\index.js:48:23)
at Object.next (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\contracts\lib\index.js:29:53)
at fulfilled (C:\Users\*\Desktop\ProyectoTransaccion\v2\node_modules\@ethersproject\contracts\lib\index.js:20:58)
at processTicksAndRejections (internal/process/task_queues.js:93:5) {
reason: null,
code: 'CALL_EXCEPTION',
method: 'getReserves()',
errorSignature: null,
errorArgs: [ null ],
address: '0x80f836E71a6C92acebf6A49ad39038609c780070',
args: [],
transaction: {
data: '0x0902f1ac',
to: '0x80f836E71a6C92acebf6A49ad39038609c780070'
}
}
相关代码:
const {ChainId, Token, TokenAmount, Fetcher, Pair, Route, Trade, TradeType, Percent} = require('@pancakeswap-libs/sdk');
const INPUT_TOKEN = new Token(ChainId.MAINNET,InputTokenAddr, 18);
const OUTPUT_TOKEN = new Token(ChainId.MAINNET, OutputTokenAddr, 18);
try {
pair = await Fetcher.fetchPairData(INPUT_TOKEN, OUTPUT_TOKEN, provider);
} catch (ex)
{
console.log("Debug.INPUT_TOKEN: " + JSON.stringify(INPUT_TOKEN));
console.log("Debug.OUTPUT_TOKEN: " + JSON.stringify(OUTPUT_TOKEN));
console.log("Debug.provider: " + JSON.stringify(provider));
console.log(ex)
pair = null;
}
调试:
Debug.INPUT_TOKEN: {"decimals":18,"chainId":56,"address":"0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c"}
Debug.OUTPUT_TOKEN: {"decimals":18,"chainId":56,"address":"0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56"}
Debug.provider: {"_isProvider":true,"_events":[],"_emitted":{"block":-2},"formatter":{"formats":{"transaction":{},"transactionRequest":{},"receiptLog":{},"receipt":{},"block":{},"blockWithTransactions":{},"filter":{},"filterLog":{}}},"anyNetwork":false,"_networkPromise":{},"_maxInternalBlockNumber":-1024,"_lastBlockNumber":-2,"_pollingInterval":4000,"_fastQueryDate":0,"connection":{"url":"https://bsc-dataseed.binance.org/"},"_nextId":45,"_eventLoopCache":{"detectNetwork":null,"eth_chainId":null},"_network":{"chainId":56,"name":"unknown"}}
我已验证交换在 pancakeswap Web 界面中正常工作。它没有在网络上指示路由,因此似乎是直接交换。
使用其他令牌,该调用返回预期的内容。例如,对 WBNB, BUSD。
我遇到了同样的问题,问题是我试图为一个不存在的池获取价格。
游泳池存在。它具有流动性,而且是直接的,不需要路线。