mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-10-22 19:26:13 +02:00
56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
const ProviderEngine = require('web3-provider-engine')
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const CacheSubprovider = require('web3-provider-engine/subproviders/cache.js')
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const StaticSubprovider = require('web3-provider-engine/subproviders/static.js')
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const FilterSubprovider = require('web3-provider-engine/subproviders/filters.js')
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const VmSubprovider = require('web3-provider-engine/subproviders/vm.js')
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const HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet.js')
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const RpcSubprovider = require('web3-provider-engine/subproviders/rpc.js')
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module.exports = metamaskProvider
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function metamaskProvider(opts){
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var engine = new ProviderEngine()
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// cache layer
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engine.addProvider(new CacheSubprovider())
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// static results
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engine.addProvider(new StaticSubprovider({
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web3_clientVersion: 'MetaMask-ProviderEngine/v0.0.0/javascript',
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net_listening: true,
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eth_hashrate: '0x0',
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eth_mining: false,
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eth_syncing: true,
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}))
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// filters
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engine.addProvider(new FilterSubprovider())
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// vm
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engine.addProvider(new VmSubprovider())
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// id mgmt
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engine.addProvider(new HookedWalletSubprovider({
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getAccounts: opts.getAccounts,
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signTransaction: opts.signTransaction,
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}))
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// data source
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engine.addProvider(new RpcSubprovider({
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rpcUrl: opts.rpcUrl,
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}))
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// log new blocks
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engine.on('block', function(block){
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// console.log('================================')
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console.log('BLOCK CHANGED:', '#'+block.number.toString('hex'), '0x'+block.hash.toString('hex'))
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// console.log('================================')
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})
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// start polling for blocks
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engine.start()
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return engine
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} |