Joseph Izang
8 months ago
committed by
GitHub
commit
160ded02b0
@ -0,0 +1,67 @@ |
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export const fetchContractFromBlockscout = async (plugin, endpoint, contractAddress, targetPath, shouldSetFile = true) => { |
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let data |
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const compilationTargets = {} |
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try { |
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data = await fetch('https://' + endpoint + '/api?module=contract&action=getsourcecode&address=' + contractAddress) |
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data = await data.json() |
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console.log(data) |
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// blockscout api doc https://blockscout.com/poa/core/api-docs
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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 || data.result[0].SourceCode === '') { |
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throw new Error(`contract not verified on Blockscout ${endpoint} network`) |
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} |
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} |
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} else throw new Error('unable to retrieve contract data ' + data.message) |
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} catch (e) { |
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throw new Error('unable to retrieve contract data: ' + e.message) |
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} |
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if (!data || !data.result) { |
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return null |
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} |
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if (data.result[0].FileName === '') { |
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const fileName = `${targetPath}/${data.result[0].ContractName}.sol` |
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if (shouldSetFile) await plugin.call('fileManager', 'setFile', fileName, data.result[0].SourceCode) |
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compilationTargets[fileName] = { content: data.result[0].SourceCode } |
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} else { |
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const sources = {} |
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sources[data.result[0].FileName] = data.result[0].SourceCode |
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if (data.result[0].AdditionalSources && Array.isArray(data.result[0].AdditionalSources)) { |
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for (const object of data.result[0].AdditionalSources) { |
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sources[object.Filename] = object.SourceCode |
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} |
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} |
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for (let [file, source] of Object.entries(sources)) { // eslint-disable-line
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file = file.replace('browser/', '') // should be fixed in the remix IDE end.
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file = file.replace(/^\//g, '') // remove first slash.
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if (await plugin.call('contentImport', 'isExternalUrl', file)) { |
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// nothing to do, the compiler callback will handle those
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} else { |
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const path = `${targetPath}/${file}` |
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const content = source |
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if (shouldSetFile) 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].OptimizationRuns) |
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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 === 'true', |
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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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