Merge pull request web3#203 from frozeman/develop

added estimateGas method
alexvandesande · May 12, 2015 · 8f63640 · 8f63640
2 parents cd2e462 + 22ef4a1
commit 8f63640
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Showing 9 changed files with 101 additions and 10 deletions.
diff --git a/dist/web3-light.js b/dist/web3-light.js
diff --git a/dist/web3-light.js.map b/dist/web3-light.js.map
diff --git a/dist/web3-light.min.js b/dist/web3-light.min.js
diff --git a/dist/web3.js b/dist/web3.js
diff --git a/dist/web3.js.map b/dist/web3.js.map
diff --git a/dist/web3.min.js b/dist/web3.min.js
diff --git a/lib/web3/eth.js b/lib/web3/eth.js
@@ -174,6 +174,14 @@ var call = new Method({
     inputFormatter: [formatters.inputTransactionFormatter, formatters.inputDefaultBlockNumberFormatter]
 });
 
+var estimateGas = new Method({
+    name: 'estimateGas',
+    call: 'eth_estimateGas',
+    params: 1,
+    inputFormatter: [formatters.inputTransactionFormatter],
+    outputFormatter: utils.toDecimal
+});
+
 var compileSolidity = new Method({
     name: 'compile.solidity',
     call: 'eth_compileSolidity',
@@ -217,6 +225,7 @@ var methods = [
     getTransactionFromBlock,
     getTransactionCount,
     call,
+    estimateGas,
     sendTransaction,
     compileSolidity,
     compileLLL,

diff --git a/test/web3.eth.call.js b/test/web3.eth.call.js
@@ -0,0 +1,41 @@
+var web3 = require('../index');
+var testMethod = require('./helpers/test.method.js');
+
+var method = 'call';
+
+var tests = [{
+    args: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: 11,
+        gasPrice: 11
+    }],
+    formattedArgs: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: '0xb',
+        gasPrice: '0xb'
+    }, 'latest'],
+    result: '0x31981',
+    formattedResult: '0x31981',
+    call: 'eth_'+ method
+},{
+    args: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: 11,
+        gasPrice: 11
+    }, 11],
+    formattedArgs: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: '0xb',
+        gasPrice: '0xb'
+    }, '0xb'],
+    result: '0x31981',
+    formattedResult: '0x31981',
+    call: 'eth_'+ method
+}];
+
+testMethod.runTests('eth', method, tests);
+
diff --git a/test/web3.eth.estimateGas.js b/test/web3.eth.estimateGas.js
@@ -0,0 +1,25 @@
+var web3 = require('../index');
+var testMethod = require('./helpers/test.method.js');
+
+var method = 'estimateGas';
+
+var tests = [{
+    args: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: 11,
+        gasPrice: 11
+    }],
+    formattedArgs: [{
+        to: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
+        data: '0x23455654',
+        gas: '0xb',
+        gasPrice: '0xb'
+    }],
+    result: '0x31981',
+    formattedResult: 203137,
+    call: 'eth_'+ method
+}];
+
+testMethod.runTests('eth', method, tests);
+