| index.jsView |
|---|
| 24 | 24 | const Address = require('./address.js') |
| 25 | 25 | const U256 = require('./u256.js') |
| 26 | 26 | const Utils = require('./utils.js') |
| 27 | 27 | const Transaction = require('./transaction.js') |
| 28 | +const Precompile = require('./precompile.js') |
| 28 | 29 | |
| 30 | +const meteringContract = new Address("0x000000000000000000000000000000000000000A") |
| 31 | +const transcompilerContract = new Address("0x000000000000000000000000000000000000000B") |
| 32 | + |
| 29 | 33 | module.exports = class Kernel { |
| 30 | 34 | |
| 31 | 35 | constructor (environment = new Environment()) { |
| 32 | 36 | this.environment = environment |
| 64 | 68 | |
| 65 | 69 | |
| 66 | 70 | |
| 67 | 71 | callHandler (call) { |
| 72 | + |
| 73 | + |
| 74 | + if (call.to.equals(meteringContract)) { |
| 75 | + return Precompile.meteringInjector(call) |
| 76 | + } else if (call.to.equals(transcompilerContract)) { |
| 77 | + return Precompile.transcompiler(call) |
| 78 | + } |
| 79 | + |
| 68 | 80 | let account = this.environment.state.get(call.to.toString()) |
| 69 | 81 | if (!account) { |
| 70 | 82 | throw new Error('Account not found: ' + call.to.toString()) |
| 71 | 83 | } |
| 75 | 87 | throw new Error('Contract not found') |
| 76 | 88 | } |
| 77 | 89 | |
| 78 | 90 | if (!Utils.isWASMCode(code)) { |
| 79 | | - throw new Error('Not an eWASM contract') |
| 91 | + |
| 92 | + |
| 93 | + |
| 94 | + code = this.callHandler({ to: transcompilerContract, data: code }).returnValue |
| 80 | 95 | } |
| 81 | 96 | |
| 82 | 97 | |
| 83 | 98 | const environment = new Environment() |
| 102 | 117 | |
| 103 | 118 | |
| 104 | 119 | return { |
| 105 | 120 | executionOutcome: 1, |
| 106 | | - gasLeft: new U256(environment.gasLimit), |
| 121 | + gasLeft: new U256(environment.gasLimit), |
| 107 | 122 | gasRefund: new U256(environment.gasRefund), |
| 108 | 123 | returnValue: environment.returnValue, |
| 109 | 124 | selfDestructAddress: environment.selfDestructAddress, |
| 110 | 125 | logs: environment.logs |
| 153 | 168 | if (tx.to.isZero()) { |
| 154 | 169 | if (tx.data.length !== 0) { |
| 155 | 170 | console.log('This is a contract deployment transaction') |
| 156 | 171 | |
| 157 | | - |
| 158 | | - const code = tx.data |
| 172 | + |
| 173 | + const code = this.callHandler({ to: meteringContract, data: tx.data }).returnValue |
| 159 | 174 | |
| 160 | 175 | let address = Utils.newAccountAddress(tx.from, code) |
| 161 | 176 | |
| 162 | 177 | this.environment.addAccount(address.toString(), { |