以太坊相关问题怎么解决
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Error: The method eth_getCompilers does not exist/is not available
因为以太坊高版本中该API被废弃
TypeError: web3.eth.contract is not a function
因为1.0以后API废弃
TypeError: web3.eth.contract is not a function · Issue #382 · trufflesuite/ganache-cli
Error: Returned error: authentication needed: password or unlock
用户被锁定
personal.unlockAccount("0x....", "password");
TypeError: web3.eth.accounts is not a function
web3.eth.getAccounts()
(node:30706) UnhandledPromiseRejectionWarning: Error: Returned error: unknown account
地址不存在。
Error: The contract code couldn't be stored, please check your gas limit.
参数中添加gas
send({ from: '0x104847cdbaccb429d691145c19a5678353878e0c', gasPrice: '1490000', gas:3144658 })
(node:30475) UnhandledPromiseRejectionWarning: Error: Returned error: insufficient funds for gas * price + value at Object.ErrorResponse (/opt/workspace/web3/node_modules/web3-core-helpers/src/errors.js:29:16) at /opt/workspace/web3/node_modules/web3-core-requestmanager/src/index.js:140:36 at XMLHttpRequest.request.onreadystatechange (/opt/workspace/web3/node_modules/web3-providers-http/src/index.js:77:13) at XMLHttpRequestEventTarget.dispatchEvent (/opt/workspace/web3/node_modules/xhr2/lib/xhr2.js:64:18) at XMLHttpRequest._setReadyState (/opt/workspace/web3/node_modules/xhr2/lib/xhr2.js:354:12) at XMLHttpRequest._onHttpResponseEnd (/opt/workspace/web3/node_modules/xhr2/lib/xhr2.js:509:12) at IncomingMessage.(/opt/workspace/web3/node_modules/xhr2/lib/xhr2.js:469:24) at emitNone (events.js:111:20) at IncomingMessage.emit (events.js:208:7) at endReadableNT (_stream_readable.js:1064:12) at _combinedTickCallback (internal/process/next_tick.js:138:11) at process._tickCallback (internal/process/next_tick.js:180:9)
是因为chainId为0, 修改为其他值即可。
{ "config": { "chainId": 100, "homesteadBlock": 0, "eip155Block": 0, "eip158Block": 0 }, "alloc" : {}, "coinbase" : "0x0000000000000000000000000000000000000000", "difficulty" : "0x20000", "extraData" : "", "gasLimit" : "0x2fefd8", "nonce" : "0x0000000000000042", "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "timestamp" : "0x00" }
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