bunsenstraat
3 years ago
committed by
GitHub
commit
55b3adb678
@ -0,0 +1,59 @@ |
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export const fetchContractFromEtherscan = async (plugin, network, contractAddress, targetPath) => { |
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let data |
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const compilationTargets = {} |
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const etherscanKey = await plugin.call('config', 'getAppParameter', 'etherscan-access-token') |
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if (etherscanKey) { |
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const endpoint = network.id == 1 ? 'api.etherscan.io' : 'api-' + network.name + '.etherscan.io' |
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data = await fetch('https://' + endpoint + '/api?module=contract&action=getsourcecode&address=' + contractAddress + '&apikey=' + etherscanKey) |
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data = await data.json() |
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// etherscan api doc https://docs.etherscan.io/api-endpoints/contracts
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if (data.message === 'OK' && data.status === "1") { |
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if (data.result.length) { |
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if (data.result[0].SourceCode === '') throw new Error('contract not verified') |
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if (data.result[0].SourceCode.startsWith('{')) { |
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data.result[0].SourceCode = JSON.parse(data.result[0].SourceCode.replace(/(?:\r\n|\r|\n)/g, '').replace(/^{{/,'{').replace(/}}$/,'}')) |
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} |
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}
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} else throw new Error('unable to retrieve contract data ' + data.message) |
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} else throw new Error('unable to try fetching the source code from etherscan: etherscan access token not found. please go to the Remix settings page and provide an access token.') |
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if (!data || !data.result) { |
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return null |
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} |
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if (typeof data.result[0].SourceCode === 'string') { |
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const fileName = `${targetPath}/${network.id}/${contractAddress}/${data.result[0].ContractName}.sol` |
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await plugin.call('fileManager', 'setFile', fileName , data.result[0].SourceCode) |
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compilationTargets[fileName] = { content: data.result[0].SourceCode } |
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} else if (data.result[0].SourceCode && typeof data.result[0].SourceCode == 'object') { |
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const sources = data.result[0].SourceCode.sources |
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for (let [file, source] of Object.entries(sources)) { // eslint-disable-line
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file = file.replace('browser/', '') // should be fixed in the remix IDE end.
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file = file.replace(/^\//g, '') // remove first slash.
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if (await plugin.call('contentImport', 'isExternalUrl', file)) { |
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// nothing to do, the compiler callback will handle those
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} else {
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const path = `${targetPath}/${network.id}/${contractAddress}/${file}` |
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const content = (source as any).content |
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await plugin.call('fileManager', 'setFile', path, content) |
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compilationTargets[path] = { content } |
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} |
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} |
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} |
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let runs = 0 |
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try { |
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runs = parseInt(data.result[0].Runs) |
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} catch (e) {} |
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const settings = { |
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version: data.result[0].CompilerVersion.replace(/^v/, ''), |
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language: 'Solidity', |
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evmVersion: data.result[0].EVMVersion.toLowerCase(), |
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optimize: data.result[0].OptimizationUsed === '1', |
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runs |
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} |
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return { |
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settings, |
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compilationTargets |
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} |
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} |
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@ -0,0 +1,46 @@ |
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export const fetchContractFromSourcify = async (plugin, network, contractAddress, targetPath) => { |
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let data |
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const compilationTargets = {} |
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try { |
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data = await plugin.call('sourcify', 'fetchByNetwork', contractAddress, network.id) |
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} catch (e) { |
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console.log(e) |
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} |
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if (!data || !data.metadata) { |
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return null |
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} |
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// set the solidity contract code using metadata
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await plugin.call('fileManager', 'setFile', `${targetPath}/${network.id}/${contractAddress}/metadata.json`, JSON.stringify(data.metadata, null, '\t')) |
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for (let file in data.metadata.sources) { |
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const urls = data.metadata.sources[file].urls |
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for (const url of urls) { |
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if (url.includes('ipfs')) { |
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const stdUrl = `ipfs://${url.split('/')[2]}` |
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const source = await plugin.call('contentImport', 'resolve', stdUrl) |
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file = file.replace('browser/', '') // should be fixed in the remix IDE end.
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if (await plugin.call('contentImport', 'isExternalUrl', file)) { |
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// nothing to do, the compiler callback will handle those
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} else { |
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const path = `${targetPath}/${network.id}/${contractAddress}/${file}` |
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await plugin.call('fileManager', 'setFile', path, source.content) |
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compilationTargets[path] = { content: source.content } |
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} |
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break |
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} |
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} |
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} |
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const settings = { |
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version: data.metadata.compiler.version, |
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language: data.metadata.language, |
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evmVersion: data.metadata.settings.evmVersion, |
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optimize: data.metadata.settings.optimizer.enabled, |
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runs: data.metadata.settings.optimizer.runs |
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} |
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return { |
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settings, |
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compilationTargets |
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} |
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} |
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