eth/tracer: extend create2 (#18318)

* eth/tracer: extend create2

* eth/tracers: fix create2-flaw in prestate_tracer

* eth/tracers: fix test

* eth/tracers: update assets

6 files changed, 122 insertions, 10 deletions

diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go
index addd32882..d0a0bf7c1 100644
--- a/eth/tracers/internal/tracers/assets.go
+++ b/eth/tracers/internal/tracers/assets.go
@@ -2,11 +2,11 @@
 // sources:
 // 4byte_tracer.js (2.933kB)
 // bigram_tracer.js (1.712kB)
-// call_tracer.js (8.596kB)
+// call_tracer.js (8.643kB)
 // evmdis_tracer.js (4.194kB)
 // noop_tracer.js (1.271kB)
 // opcount_tracer.js (1.372kB)
-// prestate_tracer.js (3.892kB)
+// prestate_tracer.js (4.234kB)
 // trigram_tracer.js (1.788kB)
 // unigram_tracer.js (1.51kB)
 
@@ -117,7 +117,7 @@ func bigram_tracerJs() (*asset, error) {
 	return a, nil
 }
 
-var _call_tracerJs = 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+var _call_tracerJs = 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
 func call_tracerJsBytes() ([]byte, error) {
 	return bindataRead(
@@ -133,7 +133,7 @@ func call_tracerJs() (*asset, error) {
 	}
 
 	info := bindataFileInfo{name: "call_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}
-	a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xf5, 0xb3, 0xb6, 0xe8, 0x19, 0xc3, 0xa, 0xce, 0xfd, 0x50, 0x84, 0xf7, 0x8a, 0xc5, 0x99, 0x10, 0x58, 0xc4, 0x69, 0xfb, 0x8, 0xad, 0x67, 0xea, 0x12, 0x38, 0xcb, 0xd, 0x2a, 0x94, 0xa1, 0x70}}
+	a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe9, 0xef, 0x68, 0xda, 0xd8, 0x9, 0xf5, 0xd5, 0x71, 0xa8, 0x8a, 0xfb, 0x30, 0xe8, 0xf0, 0x72, 0x14, 0x36, 0x6b, 0x62, 0x5a, 0x4e, 0xff, 0x16, 0xdc, 0xd3, 0x2c, 0x68, 0x7b, 0x79, 0x9f, 0xd3}}
 	return a, nil
 }
 
@@ -197,7 +197,7 @@ func opcount_tracerJs() (*asset, error) {
 	return a, nil
 }
 
-var _prestate_tracerJs = 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+var _prestate_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x9c\x57\xdd\x6f\xdb\x38\x12\x7f\x96\xfe\x8a\x41\x5f\x6c\xa3\xae\xdc\x64\x81\x3d\xc0\xb9\x1c\xa0\xba\x6e\x1b\x20\x9b\x04\xb6\x7b\xb9\xdc\x62\x1f\x28\x72\x24\x73\x4d\x93\x02\x49\xd9\xf1\x15\xf9\xdf\x0f\x43\x7d\xf8\xa3\x49\xd3\xdd\x37\x9b\x1c\xfe\xe6\xfb\x37\xa3\xd1\x08\x26\xa6\xdc\x59\x59\x2c\x3d\x9c\xbf\x3f\xfb\x07\x2c\x96\x08\x85\x79\x87\x7e\x89\x16\xab\x35\xa4\x95\x5f\x1a\xeb\xe2\xd1\x08\x16\x4b\xe9\x20\x97\x0a\x41\x3a\x28\x99\xf5\x60\x72\xf0\x27\xf2\x4a\x66\x96\xd9\x5d\x12\x8f\x46\xf5\x9b\x67\xaf\x09\x21\xb7\x88\xe0\x4c\xee\xb7\xcc\xe2\x18\x76\xa6\x02\xce\x34\x58\x14\xd2\x79\x2b\xb3\xca\x23\x48\x0f\x4c\x8b\x91\xb1\xb0\x36\x42\xe6\x3b\x82\x94\x1e\x2a\x2d\xd0\x06\xd5\x1e\xed\xda\xb5\x76\x7c\xbe\xf9\x0a\xd7\xe8\x1c\x5a\xf8\x8c\x1a\x2d\x53\x70\x57\x65\x4a\x72\xb8\x96\x1c\xb5\x43\x60\x0e\x4a\x3a\x71\x4b\x14\x90\x05\x38\x7a\xf8\x89\x4c\x99\x37\xa6\xc0\x27\x53\x69\xc1\xbc\x34\x7a\x08\x28\xc9\x72\xd8\xa0\x75\xd2\x68\xf8\xa5\x55\xd5\x00\x0e\xc1\x58\x02\xe9\x33\x4f\x0e\x58\x30\x25\xbd\x1b\x00\xd3\x3b\x50\xcc\xef\x9f\xfe\x44\x40\xf6\x7e\x0b\x90\x3a\xa8\x59\x9a\x12\xc1\x2f\x99\x27\xaf\xb7\x52\x29\xc8\x10\x2a\x87\x79\xa5\x86\x84\x96\x55\x1e\xee\xaf\x16\x5f\x6e\xbf\x2e\x20\xbd\x79\x80\xfb\x74\x36\x4b\x6f\x16\x0f\x17\xb0\x95\x7e\x69\x2a\x0f\xb8\xc1\x1a\x4a\xae\x4b\x25\x51\xc0\x96\x59\xcb\xb4\xdf\x81\xc9\x09\xe1\xb7\xe9\x6c\xf2\x25\xbd\x59\xa4\x1f\xae\xae\xaf\x16\x0f\x60\x2c\x7c\xba\x5a\xdc\x4c\xe7\x73\xf8\x74\x3b\x83\x14\xee\xd2\xd9\xe2\x6a\xf2\xf5\x3a\x9d\xc1\xdd\xd7\xd9\xdd\xed\x7c\x9a\xc0\x1c\xc9\x2a\xa4\xf7\xaf\xc7\x3c\x0f\xd9\xb3\x08\x02\x3d\x93\xca\xb5\x91\x78\x30\x15\xb8\xa5\xa9\x94\x80\x25\xdb\x20\x58\xe4\x28\x37\x28\x80\x01\x37\xe5\xee\xa7\x93\x4a\x58\x4c\x19\x5d\x04\x9f\x5f\x2c\x48\xb8\xca\x41\x1b\x3f\x04\x87\x08\xff\x5c\x7a\x5f\x8e\x47\xa3\xed\x76\x9b\x14\xba\x4a\x8c\x2d\x46\xaa\x86\x73\xa3\x7f\x25\x31\x61\x96\x16\x9d\x67\x1e\x17\x96\x71\xb4\x60\x2a\x5f\x56\xde\x81\xab\xf2\x5c\x72\x89\xda\x83\xd4\xb9\xb1\xeb\x50\x29\xe0\x0d\x70\x8b\xcc\x23\x30\x50\x86\x33\x05\xf8\x88\xbc\x0a\x77\x75\xa4\x43\xb9\x5a\xa6\x1d\xe3\xe1\x34\xb7\x66\x4d\xbe\x56\xce\xd3\x0f\xe7\x70\x9d\x29\x14\x50\xa0\x46\x27\x1d\x64\xca\xf0\x55\x12\x7f\x8b\xa3\x03\x63\xa8\x4e\x82\x87\x8d\x50\xa8\x8d\x2d\xf6\x2c\x42\x56\x49\x25\xa4\x2e\x92\x38\x6a\xa5\xc7\xa0\x2b\xa5\x86\x71\x80\x50\xc6\xac\xaa\x32\xe5\xdc\x54\xc1\xf6\x3f\x91\xfb\x1a\xcc\x95\xc8\x65\x4e\xc5\xc1\xba\x5b\x6f\xc2\x55\xa7\xd7\x64\x24\x9f\xc4\xd1\x11\xcc\x18\xf2\x4a\x07\x77\xfa\x4c\x08\x3b\x04\x91\x0d\xbe\xc5\x51\xb4\x61\x96\xb0\xe0\x12\xbc\xf9\x82\x8f\xe1\x72\x70\x11\x47\x91\xcc\xa1\xef\x97\xd2\x25\x2d\xf0\xef\x8c\xf3\x3f\xe0\xf2\xf2\x32\x34\x75\x2e\x35\x8a\x01\x10\x44\xf4\x9c\x58\x7d\x13\x65\x4c\x31\xcd\x71\x0c\xbd\xf7\x8f\x3d\x78\x0b\x22\x4b\x0a\xf4\x1f\xea\xd3\x5a\x59\xe2\xcd\xdc\x5b\xa9\x8b\xfe\xd9\xaf\x83\x61\x78\xa5\x4d\x78\x03\x8d\xf8\x8d\xe9\x84\xeb\x7b\x6e\x44\xb8\x6e\x6c\xae\xa5\x26\x46\x34\x42\x8d\x94\xf3\xc6\xb2\x02\xc7\xf0\xed\x89\xfe\x3f\x91\x57\x4f\x71\xf4\x74\x14\xe5\x79\x2d\xf4\x42\x94\x1b\x08\x40\xed\x6d\x57\xe7\x85\xa4\x4e\x3d\x4c\x40\xc0\xfb\x51\x12\xe6\xad\x29\x27\x49\x58\xe1\xee\xf5\x4c\xd0\x85\x14\x8f\xdd\xc5\x0a\x77\x83\x8b\xf8\xc5\x14\x25\x8d\xd1\xbf\x4b\xf1\xf8\xb3\xf9\x3a\x79\x73\x14\xd7\x39\x49\xed\xed\x1d\x0c\x4e\xe2\x68\xd1\x55\xca\x53\xb9\x4b\xbd\x31\x2b\x22\xae\x25\xc5\x47\xa9\x10\x12\x53\x52\xb6\x5c\xcd\x1c\x19\xa2\x06\xe9\xd1\x32\xa2\x4e\xb3\x41\x4b\x53\x03\x2c\xfa\xca\x6a\xd7\x85\x31\x97\x9a\xa9\x16\xb8\x89\xba\xb7\x8c\xd7\x3d\x53\x9f\x1f\xc4\x92\xfb\xc7\x10\xc5\xe0\xdd\x68\x04\xa9\x07\x72\x11\x4a\x23\xb5\x1f\xc2\x16\x41\x23\x0a\x6a\x7c\x81\xa2\xe2\x3e\xe0\xf5\x36\x4c\x55\xd8\xab\x9b\x9b\x28\x32\x3c\x35\x15\x4d\x82\x83\xe6\x1f\x06\x03\xd7\x66\x13\x46\x5c\xc6\xf8\x0a\x9a\x86\x33\x56\x16\x52\xc7\x4d\x38\x8f\x9a\x8d\x2c\x4a\x08\x38\x98\x15\x72\x45\x49\xa4\x93\x0f\x4c\xc1\x25\x64\xb2\xb8\xd2\xfe\x24\x79\x75\xd0\xdb\xa7\x83\x3f\x92\xa6\x79\x12\x47\x84\xd7\x3f\x1f\x0c\xe1\xec\xd7\xae\x22\xbc\x21\x28\x78\x1d\xcc\x9b\x97\xa1\xe2\xd3\x62\x78\xfe\x59\x50\x43\x1d\xfc\x36\x68\x4d\x5c\x95\x51\x3a\x6a\x3f\x43\x1c\x8f\xbb\xf8\xe2\x07\xb8\xc7\xbe\xb5\xb8\x4d\x68\x12\x26\xc4\xcb\xa0\x75\x8a\x3e\x22\xb7\xb8\x26\x56\xa7\x2c\x70\xa6\x14\xda\x9e\x83\xc0\x19\xc3\xa6\x9c\x42\xbe\x70\x5d\xfa\x5d\xcb\xf5\x9e\xd9\x02\xbd\x7b\xdd\xb0\x80\xf3\xee\x5d\x4b\x81\x21\x14\xbb\x12\xe1\xf2\x12\x7a\x93\xd9\x34\x5d\x4c\x7b\x4d\x1b\x8d\x46\x70\x8f\x61\x13\xca\x94\xcc\x84\xda\x81\x40\x85\x1e\x6b\xbb\x8c\x0e\x21\xea\x28\x61\x48\x2b\x0d\x2d\x1b\xf8\x28\x9d\x97\xba\x80\x9a\x29\xb6\x34\x57\x1b\xb8\xd0\x23\x9c\x55\x8e\xaa\xf5\x64\x08\x79\x43\x1b\x85\x45\xe2\x15\xe2\xff\xd0\x6e\x4c\xc9\x6e\x03\xc9\xa5\x75\x1e\x4a\xc5\x38\x26\x84\xd7\x19\xf3\x72\x7e\x9b\x4e\x26\xd5\xb3\xd0\x82\x01\x68\x3f\xe0\x98\xa2\x01\x49\xea\x1d\xf4\x5b\x8c\x41\x1c\x45\xb6\x95\x3e\xc0\xbe\xd8\x53\x82\xf3\x58\x1e\x12\x02\x2d\x16\xb8\x41\xa2\xd0\xc0\x06\xf5\x30\x24\x5d\xff\xfe\xad\x99\xbe\xe8\x92\x38\xa2\x77\x07\x7d\xad\x4c\x71\xdc\xd7\xa2\x0e\x0b\xaf\xac\xa5\xfc\x77\x14\x9c\x53\x8f\xff\x59\x39\x4f\x31\xb5\x14\x9e\x86\x2d\x9e\x23\xc9\x40\x89\x34\x6d\x07\xdf\x93\x21\xcd\xad\x30\x27\x48\x5d\x33\xa5\xea\x6d\xae\x34\x1e\xb5\x97\x4c\xa9\x1d\xe5\x61\x6b\x69\x8d\xa1\xc5\x65\x08\x4e\x92\x54\x60\x9c\x20\x2a\x35\x57\x95\xa8\xcb\x20\xd4\x71\x83\xe7\x82\xcd\xc7\xfb\xcf\x1a\x9d\x63\x05\x26\x54\x49\xb9\x7c\x6c\x36\x48\x0d\xbd\x9a\xe4\xfa\x83\x5e\xd2\x19\x79\x4c\x31\xca\x14\x49\x5b\x64\x44\xd3\xa9\x10\x16\x9d\xeb\x0f\x1a\xce\xe9\x32\x7b\xbf\x44\x4d\xc1\x07\x8d\x5b\xe8\x56\x13\xc6\x39\xad\x6a\x62\x08\x4c\x08\xa2\xb6\x93\x35\x22\x8e\x22\xb7\x95\x9e\x2f\x21\x68\x32\xe5\xbe\x17\x07\x4d\xfd\x73\xe6\x10\xde\x4c\xff\xb3\x98\xdc\x7e\x9c\x4e\x6e\xef\x1e\xde\x8c\xe1\xe8\x6c\x7e\xf5\xdf\x69\x77\xf6\x21\xbd\x4e\x6f\x26\xd3\x37\xe3\x30\x9b\x9f\x71\xc8\x9b\xd6\x05\x52\xe8\x3c\xe3\xab\xa4\x44\x5c\xf5\xdf\x1f\xf3\xc0\xde\xc1\x28\xca\x2c\xb2\xd5\xc5\xde\x98\xba\x41\x1b\x1d\x2d\xe5\xc2\x25\xbc\x18\xac\x8b\x97\xad\x99\x34\xf2\xfd\x96\xc8\xf7\xab\x48\xa0\x8a\xd7\xed\x38\xff\xcb\x86\x84\xde\x61\x7c\x35\x06\xc7\x14\x6d\xc0\xf2\x7f\xf4\xe5\x92\xe7\x0e\xfd\x10\x50\x0b\xb3\x25\xe6\xeb\x50\xeb\x9b\x06\xf7\x20\x64\x67\x83\x9a\x41\x6f\xf3\xfe\xa0\x13\x26\xb0\xef\x45\xcf\x9f\x13\x45\x2d\xe0\xb2\x45\x7f\x1b\x5e\xbe\x1e\xa8\xf3\x26\x52\x27\x0a\x7e\x39\xd9\xf0\xc2\xfd\x1a\xd7\xc6\xee\x9a\x71\x74\xe0\xdf\x8f\xa3\x9a\x5e\x5f\x77\xf5\x44\x7f\xa8\xc8\xba\x83\x8f\xd3\xeb\xe9\xe7\x74\x31\x3d\x92\x9a\x2f\xd2\xc5\xd5\xa4\x3e\xfa\xcb\x85\x77\xf6\xd3\x85\xd7\x9b\xcf\x17\xb7\xb3\x69\x6f\xdc\xfc\xbb\xbe\x4d\x3f\xf6\xbe\x53\xd8\x6c\x81\x3f\x6a\x5d\x6f\xee\x8d\x15\x7f\xa7\x03\x0e\x36\xb2\x9c\x3d\xb7\x90\x05\x6a\xe7\xbe\x3a\xf9\xe0\x01\xa6\x5b\x56\xce\xeb\x8f\xbe\x28\xbc\x7f\x96\x87\x9f\xe2\xa7\xf8\xff\x01\x00\x00\xff\xff\xb1\x28\x85\x2a\x8a\x10\x00\x00")
 
 func prestate_tracerJsBytes() ([]byte, error) {
 	return bindataRead(
@@ -213,7 +213,7 @@ func prestate_tracerJs() (*asset, error) {
 	}
 
 	info := bindataFileInfo{name: "prestate_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}
-	a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xd, 0xb0, 0x72, 0x28, 0xc7, 0x27, 0x97, 0x4d, 0xe, 0xbf, 0x29, 0xe1, 0xa8, 0xd7, 0x52, 0x13, 0xa1, 0x19, 0xc3, 0xfb, 0x8d, 0x5b, 0xcb, 0xdd, 0xa5, 0xd7, 0x98, 0x34, 0x6a, 0xbf, 0x33, 0x6c}}
+	a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe9, 0x79, 0x70, 0x4f, 0xc5, 0x78, 0x57, 0x63, 0x6f, 0x5, 0x31, 0xce, 0x3e, 0x5d, 0xbd, 0x71, 0x4, 0x46, 0x78, 0xcd, 0x1d, 0xcd, 0xb9, 0xd8, 0x10, 0xff, 0xe6, 0xc5, 0x59, 0xb9, 0x25, 0x6e}}
 	return a, nil
 }
 
diff --git a/eth/tracers/internal/tracers/call_tracer.js b/eth/tracers/internal/tracers/call_tracer.js
index 83495b157..f8b383cd9 100644
--- a/eth/tracers/internal/tracers/call_tracer.js
+++ b/eth/tracers/internal/tracers/call_tracer.js
@@ -38,7 +38,7 @@
 			var op = log.op.toString();
 		}
 		// If a new contract is being created, add to the call stack
-		if (syscall && op == 'CREATE') {
+		if (syscall && (op == 'CREATE' || op == "CREATE2")) {
 			var inOff = log.stack.peek(1).valueOf();
 			var inEnd = inOff + log.stack.peek(2).valueOf();
 
@@ -116,7 +116,7 @@
 			// Pop off the last call and get the execution results
 			var call = this.callstack.pop();
 
-			if (call.type == 'CREATE') {
+			if (call.type == 'CREATE' || call.type == "CREATE2") {
 				// If the call was a CREATE, retrieve the contract address and output code
 				call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16);
 				delete call.gasIn; delete call.gasCost;
diff --git a/eth/tracers/internal/tracers/prestate_tracer.js b/eth/tracers/internal/tracers/prestate_tracer.js
index 56aa2b210..e0a22bf15 100644
--- a/eth/tracers/internal/tracers/prestate_tracer.js
+++ b/eth/tracers/internal/tracers/prestate_tracer.js
@@ -86,6 +86,14 @@
 				var from = log.contract.getAddress();
 				this.lookupAccount(toContract(from, db.getNonce(from)), db);
 				break;
+			case "CREATE2":
+				var from = log.contract.getAddress();
+				// stack: salt, size, offset, endowment
+				var offset = log.stack.peek(1).valueOf()
+				var size = log.stack.peek(2).valueOf()
+				var end = offset + size
+				this.lookupAccount(toContract2(from, log.stack.peek(3).toString(16), log.memory.slice(offset, end)), db);
+				break;
 			case "CALL": case "CALLCODE": case "DELEGATECALL": case "STATICCALL":
 				this.lookupAccount(toAddress(log.stack.peek(1).toString(16)), db);
 				break;
diff --git a/eth/tracers/internal/tracers/tracers.go b/eth/tracers/internal/tracers/tracers.go
index dcf0d49da..2e40975bb 100644
--- a/eth/tracers/internal/tracers/tracers.go
+++ b/eth/tracers/internal/tracers/tracers.go
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-//go:generate go-bindata -nometadata -o assets.go -pkg tracers -ignore ((tracers)|(assets)).go ./...
+//go:generate go-bindata -nometadata -o assets.go -pkg tracers -ignore tracers.go -ignore assets.go ./...
 //go:generate gofmt -s -w assets.go
 
 // Package tracers contains the actual JavaScript tracer assets.
diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go
index 3533a831f..9d6701868 100644
--- a/eth/tracers/tracer.go
+++ b/eth/tracers/tracer.go
@@ -367,6 +367,28 @@ func New(code string) (*Tracer, error) {
 		copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])
 		return 1
 	})
+	tracer.vm.PushGlobalGoFunction("toContract2", func(ctx *duktape.Context) int {
+		var from common.Address
+		if ptr, size := ctx.GetBuffer(-3); ptr != nil {
+			from = common.BytesToAddress(makeSlice(ptr, size))
+		} else {
+			from = common.HexToAddress(ctx.GetString(-3))
+		}
+		// Retrieve salt hex string from js stack
+		salt := common.HexToHash(ctx.GetString(-2))
+		// Retrieve code slice from js stack
+		var code []byte
+		if ptr, size := ctx.GetBuffer(-1); ptr != nil {
+			code = common.CopyBytes(makeSlice(ptr, size))
+		} else {
+			code = common.FromHex(ctx.GetString(-1))
+		}
+		codeHash := crypto.Keccak256(code)
+		ctx.Pop3()
+		contract := crypto.CreateAddress2(from, salt, codeHash)
+		copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])
+		return 1
+	})
 	tracer.vm.PushGlobalGoFunction("isPrecompiled", func(ctx *duktape.Context) int {
 		_, ok := vm.PrecompiledContractsByzantium[common.BytesToAddress(popSlice(ctx))]
 		ctx.PushBoolean(ok)
diff --git a/eth/tracers/tracers_test.go b/eth/tracers/tracers_test.go
index d25fc459a..b435b1694 100644
--- a/eth/tracers/tracers_test.go
+++ b/eth/tracers/tracers_test.go
@@ -17,6 +17,8 @@
 package tracers
 
 import (
+	"crypto/ecdsa"
+	"crypto/rand"
 	"encoding/json"
 	"io/ioutil"
 	"math/big"
@@ -31,7 +33,9 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/tests"
 )
@@ -116,6 +120,83 @@ type callTracerTest struct {
 	Result  *callTrace    `json:"result"`
 }
 
+func TestPrestateTracerCreate2(t *testing.T) {
+	unsigned_tx := types.NewTransaction(1, common.HexToAddress("0x00000000000000000000000000000000deadbeef"),
+		new(big.Int), 5000000, big.NewInt(1), []byte{})
+
+	privateKeyECDSA, err := ecdsa.GenerateKey(crypto.S256(), rand.Reader)
+	if err != nil {
+		t.Fatalf("err %v", err)
+	}
+	signer := types.NewEIP155Signer(big.NewInt(1))
+	tx, err := types.SignTx(unsigned_tx, signer, privateKeyECDSA)
+	if err != nil {
+		t.Fatalf("err %v", err)
+	}
+	/**
+		This comes from one of the test-vectors on the Skinny Create2 - EIP
+
+	    address 0x00000000000000000000000000000000deadbeef
+	    salt 0x00000000000000000000000000000000000000000000000000000000cafebabe
+	    init_code 0xdeadbeef
+	    gas (assuming no mem expansion): 32006
+	    result: 0x60f3f640a8508fC6a86d45DF051962668E1e8AC7
+	*/
+	origin, _ := signer.Sender(tx)
+	context := vm.Context{
+		CanTransfer: core.CanTransfer,
+		Transfer:    core.Transfer,
+		Origin:      origin,
+		Coinbase:    common.Address{},
+		BlockNumber: new(big.Int).SetUint64(8000000),
+		Time:        new(big.Int).SetUint64(5),
+		Difficulty:  big.NewInt(0x30000),
+		GasLimit:    uint64(6000000),
+		GasPrice:    big.NewInt(1),
+	}
+	alloc := core.GenesisAlloc{}
+	// The code pushes 'deadbeef' into memory, then the other params, and calls CREATE2, then returns
+	// the address
+	alloc[common.HexToAddress("0x00000000000000000000000000000000deadbeef")] = core.GenesisAccount{
+		Nonce:   1,
+		Code:    hexutil.MustDecode("0x63deadbeef60005263cafebabe6004601c6000F560005260206000F3"),
+		Balance: big.NewInt(1),
+	}
+	alloc[origin] = core.GenesisAccount{
+		Nonce:   1,
+		Code:    []byte{},
+		Balance: big.NewInt(500000000000000),
+	}
+	statedb := tests.MakePreState(ethdb.NewMemDatabase(), alloc)
+	// Create the tracer, the EVM environment and run it
+	tracer, err := New("prestateTracer")
+	if err != nil {
+		t.Fatalf("failed to create call tracer: %v", err)
+	}
+	evm := vm.NewEVM(context, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
+
+	msg, err := tx.AsMessage(signer)
+	if err != nil {
+		t.Fatalf("failed to prepare transaction for tracing: %v", err)
+	}
+	st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
+	if _, _, _, err = st.TransitionDb(); err != nil {
+		t.Fatalf("failed to execute transaction: %v", err)
+	}
+	// Retrieve the trace result and compare against the etalon
+	res, err := tracer.GetResult()
+	if err != nil {
+		t.Fatalf("failed to retrieve trace result: %v", err)
+	}
+	ret := make(map[string]interface{})
+	if err := json.Unmarshal(res, &ret); err != nil {
+		t.Fatalf("failed to unmarshal trace result: %v", err)
+	}
+	if _, has := ret["0x60f3f640a8508fc6a86d45df051962668e1e8ac7"]; !has {
+		t.Fatalf("Expected 0x60f3f640a8508fc6a86d45df051962668e1e8ac7 in result")
+	}
+}
+
 // Iterates over all the input-output datasets in the tracer test harness and
 // runs the JavaScript tracers against them.
 func TestCallTracer(t *testing.T) {
@@ -185,8 +266,9 @@ func TestCallTracer(t *testing.T) {
 			if err := json.Unmarshal(res, ret); err != nil {
 				t.Fatalf("failed to unmarshal trace result: %v", err)
 			}
+
 			if !reflect.DeepEqual(ret, test.Result) {
-				t.Fatalf("trace mismatch: have %+v, want %+v", ret, test.Result)
+				t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result)
 			}
 		})
 	}