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Address is generated with VMAppState, and it increments the nonce too.

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This commit is contained in:
Jae Kwon
2015-03-20 19:59:42 -07:00
parent 36dca3981b
commit b7553e2bfe
5 changed files with 65 additions and 35 deletions
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17
state/vm_app_state.go
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@ -8,6 +8,7 @@ import (
. "github.com/tendermint/tendermint/common"
"github.com/tendermint/tendermint/merkle"
"github.com/tendermint/tendermint/vm"
"github.com/tendermint/tendermint/vm/sha3"
)
// Converts state.Account to vm.Account struct.
@ -115,7 +116,18 @@ func (vas *VMAppState) DeleteAccount(account *vm.Account) error {
}
}
func (vas *VMAppState) CreateAccount(addr vm.Word) (*vm.Account, error) {
// Creates a 20 byte address and bumps the creator's nonce.
func (vas *VMAppState) CreateAccount(creator *vm.Account) (*vm.Account, error) {
// Generate an address
nonce := creator.Nonce
creator.Nonce += 1
temp := make([]byte, 32+8)
copy(temp, creator.Address[:])
vm.PutUint64(temp[32:], nonce)
addr := vm.RightPadWord(sha3.Sha3(temp)[:20])
// Create account from address.
account, deleted := unpack(vas.accounts[addr.String()])
if deleted || account == nil {
account = &vm.Account{
@ -128,7 +140,8 @@ func (vas *VMAppState) CreateAccount(addr vm.Word) (*vm.Account, error) {
vas.accounts[addr.String()] = AccountInfo{account, false}
return account, nil
} else {
return nil, Errorf("Account already exists: %X", addr)
panic(Fmt("Could not create account, address already exists: %X", addr))
// return nil, Errorf("Account already exists: %X", addr)
}
}