mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-29 07:16:36 +01:00
56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
const ProviderEngine = require('web3-provider-engine')
|
|
const CacheSubprovider = require('web3-provider-engine/subproviders/cache.js')
|
|
const StaticSubprovider = require('web3-provider-engine/subproviders/static.js')
|
|
const FilterSubprovider = require('web3-provider-engine/subproviders/filters.js')
|
|
const VmSubprovider = require('web3-provider-engine/subproviders/vm.js')
|
|
const HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet.js')
|
|
const RpcSubprovider = require('web3-provider-engine/subproviders/rpc.js')
|
|
|
|
module.exports = metamaskProvider
|
|
|
|
function metamaskProvider(opts){
|
|
|
|
var engine = new ProviderEngine()
|
|
|
|
// cache layer
|
|
engine.addProvider(new CacheSubprovider())
|
|
|
|
// static results
|
|
engine.addProvider(new StaticSubprovider({
|
|
web3_clientVersion: 'MetaMask-ProviderEngine/v0.0.0/javascript',
|
|
net_listening: true,
|
|
eth_hashrate: '0x0',
|
|
eth_mining: false,
|
|
eth_syncing: true,
|
|
}))
|
|
|
|
// filters
|
|
engine.addProvider(new FilterSubprovider())
|
|
|
|
// vm
|
|
engine.addProvider(new VmSubprovider())
|
|
|
|
// id mgmt
|
|
engine.addProvider(new HookedWalletSubprovider({
|
|
getAccounts: opts.getAccounts,
|
|
signTransaction: opts.signTransaction,
|
|
}))
|
|
|
|
// data source
|
|
engine.addProvider(new RpcSubprovider({
|
|
rpcUrl: opts.rpcUrl,
|
|
}))
|
|
|
|
// log new blocks
|
|
engine.on('block', function(block){
|
|
// console.log('================================')
|
|
console.log('BLOCK CHANGED:', '#'+block.number.toString('hex'), '0x'+block.hash.toString('hex'))
|
|
// console.log('================================')
|
|
})
|
|
|
|
// start polling for blocks
|
|
engine.start()
|
|
|
|
return engine
|
|
|
|
} |