aboutsummaryrefslogtreecommitdiffstats
path: root/tests/helper/vm.go
diff options
context:
space:
mode:
authorobscuren <geffobscura@gmail.com>2014-10-15 06:41:00 +0800
committerobscuren <geffobscura@gmail.com>2014-10-15 06:41:00 +0800
commit266d21209478bdb8c89e1ffb95d7f0de34635968 (patch)
treeab5075cda6492eee554ad234e4c36734767d2534 /tests/helper/vm.go
parent3d177be73e127b08a52988fde308eed29eac4699 (diff)
downloaddexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar.gz
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar.bz2
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar.lz
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar.xz
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.tar.zst
dexon-266d21209478bdb8c89e1ffb95d7f0de34635968.zip
Working on test suite
Diffstat (limited to 'tests/helper/vm.go')
-rw-r--r--tests/helper/vm.go66
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/helper/vm.go b/tests/helper/vm.go
new file mode 100644
index 000000000..49a0bfeae
--- /dev/null
+++ b/tests/helper/vm.go
@@ -0,0 +1,66 @@
+package helper
+
+import (
+ "fmt"
+ "math/big"
+
+ "github.com/ethereum/eth-go/ethstate"
+ "github.com/ethereum/eth-go/ethtrie"
+ "github.com/ethereum/eth-go/ethutil"
+ "github.com/ethereum/eth-go/ethvm"
+)
+
+type Env struct {
+ state *ethstate.State
+
+ origin []byte
+ parent []byte
+ coinbase []byte
+
+ number *big.Int
+ time int64
+ difficulty *big.Int
+}
+
+func NewEnv(state *ethstate.State) *Env {
+ return &Env{
+ state: state,
+ }
+}
+
+func NewEnvFromMap(state *ethstate.State, envValues map[string]string, exeValues map[string]string) *Env {
+ env := NewEnv(state)
+
+ env.origin = ethutil.Hex2Bytes(exeValues["caller"])
+ env.parent = ethutil.Hex2Bytes(envValues["previousHash"])
+ env.coinbase = ethutil.Hex2Bytes(envValues["currentCoinbase"])
+ env.number = ethutil.Big(envValues["currentNumber"])
+ env.time = ethutil.Big(envValues["currentTime"]).Int64()
+
+ return env
+}
+
+func (self *Env) Origin() []byte { return self.origin }
+func (self *Env) BlockNumber() *big.Int { return self.number }
+func (self *Env) PrevHash() []byte { return self.parent }
+func (self *Env) Coinbase() []byte { return self.coinbase }
+func (self *Env) Time() int64 { return self.time }
+func (self *Env) Difficulty() *big.Int { return self.difficulty }
+func (self *Env) BlockHash() []byte { return nil }
+
+// This is likely to fail if anything ever gets looked up in the state trie :-)
+func (self *Env) State() *ethstate.State { return ethstate.New(ethtrie.New(nil, "")) }
+
+func RunVm(state *ethstate.State, env, exec map[string]string) ([]byte, *big.Int) {
+ caller := state.NewStateObject(ethutil.Hex2Bytes(exec["caller"]))
+ callee := state.GetStateObject(ethutil.Hex2Bytes(exec["address"]))
+ closure := ethvm.NewClosure(nil, caller, callee, callee.Code, ethutil.Big(exec["gas"]), ethutil.Big(exec["gasPrice"]))
+
+ vm := ethvm.New(NewEnvFromMap(state, env, exec), ethvm.DebugVmTy)
+ ret, _, e := closure.Call(vm, nil)
+ if e != nil {
+ fmt.Println(e)
+ }
+
+ return ret, closure.Gas
+}