Commit da7b20096a9e2da5c16128a768e529a9070114a8
Interface: throw error if negative value was given to useGas
Alex Beregszaszi committed on 8/18/2016, 3:43:24 AMParent: f488805c0df12c74d2cb8ed0c5d0e439495676df
Files changed
| interface.js | changed |
| interface.js | ||
|---|---|---|
| @@ -60,14 +60,17 @@ | ||
| 60 | 60 | * Subtracts an amount to the gas counter |
| 61 | 61 | * @param {integer} amount the amount to subtract to the gas counter |
| 62 | 62 | */ |
| 63 | 63 | useGas (amount) { |
| 64 | - if (amount > 0) { | |
| 65 | - if (this.environment.gasLimit < amount) { | |
| 66 | - throw new Error('Ran out of gas') | |
| 67 | - } | |
| 68 | - this.environment.gasLimit -= amount | |
| 64 | + if (amount < 0) { | |
| 65 | + throw new Error('Negative gas deduction requested') | |
| 69 | 66 | } |
| 67 | + | |
| 68 | + if (this.environment.gasLimit < amount) { | |
| 69 | + throw new Error('Ran out of gas') | |
| 70 | + } | |
| 71 | + | |
| 72 | + this.environment.gasLimit -= amount | |
| 70 | 73 | } |
| 71 | 74 | |
| 72 | 75 | /** |
| 73 | 76 | * Returns the current amount of gas |
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