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- web3.eth.estimateGas({data: '0x' + bytecode}).then(value=>{
- console.log('gasEstimate = ' + value);
- let MyContract = new web3.eth.Contract(abi,{
- from: publicKey,//user wallet
- gasPrice: '10000000000000',
- gas: value
- });
- console.log('deploying contract...');
- MyContract.deploy().send(function(error, transactionHash){
- }).on('error', function(error){ })
- .on('transactionHash', function(transactionHash){ })
- .on('receipt', function(receipt){
- console.log(receipt.contractAddress) // contains the new contract address })
- .on('confirmation', function(confirmationNumber, receipt){ })
- .then(function(newContractInstance){
- console.log(newContractInstance.options.address) // instance with the new contract address
- });
- });
- UnhandledPromiseRejectionWarning: Error: Request failed with status code 522
- at createError (/home/project/node_modules/axios/lib/core/createError.js:16:15)
- at settle (/home/project/node_modules/axios/lib/core/settle.js:18:12)
- at IncomingMessage.handleStreamEnd (/home/project/node_modules/axios/lib/adapters/http.js:201:11)
- 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)
- (node:13887) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
- (node:13887) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
- myContract.deploy({
- data: '0x12345...',
- arguments: [123, 'My String']
- })
- .send({
- from: '0x1234567890123456789012345678901234567891',
- gas: 1500000,
- gasPrice: '30000000000000'
- }, function(error, transactionHash){ ... })
- .on('error', function(error){ ... })
- .on('transactionHash', function(transactionHash){ ... })
- .on('receipt', function(receipt){
- console.log(receipt.contractAddress) // contains the new contract address
- })
- .on('confirmation', function(confirmationNumber, receipt){ ... })
- .then(function(newContractInstance){
- console.log(newContractInstance.options.address) // instance with the new contract address
- });
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