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Support nil pointers for Binary.

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If the thing does not already have a typebyte declared,
a fake one will be given (0x01).
A TypeByte of 0x00 is reserved for nil things.
No nil-dogs.
This commit is contained in:
Jae Kwon
2015-04-12 17:46:16 -07:00
parent 1364770cbe
commit 6d6f061f19
20 changed files with 299 additions and 178 deletions
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12
state/execution.go
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@ -159,9 +159,9 @@ func execBlock(s *State, block *types.Block, blockPartsHeader types.PartSetHeade
}
// The accounts from the TxInputs must either already have
// account.PubKey.(type) != PubKeyNil, (it must be known),
// account.PubKey.(type) != nil, (it must be known),
// or it must be specified in the TxInput. If redeclared,
// the TxInput is modified and input.PubKey set to PubKeyNil.
// the TxInput is modified and input.PubKey set to nil.
func getOrMakeAccounts(state AccountGetter, ins []*types.TxInput, outs []*types.TxOutput) (map[string]*account.Account, error) {
accounts := map[string]*account.Account{}
for _, in := range ins {
@ -189,7 +189,7 @@ func getOrMakeAccounts(state AccountGetter, ins []*types.TxInput, outs []*types.
if acc == nil {
acc = &account.Account{
Address: out.Address,
PubKey: account.PubKeyNil{},
PubKey: nil,
Sequence: 0,
Balance: 0,
}
@ -200,8 +200,8 @@ func getOrMakeAccounts(state AccountGetter, ins []*types.TxInput, outs []*types.
}
func checkInputPubKey(acc *account.Account, in *types.TxInput) error {
if _, isNil := acc.PubKey.(account.PubKeyNil); isNil {
if _, isNil := in.PubKey.(account.PubKeyNil); isNil {
if acc.PubKey == nil {
if in.PubKey == nil {
return types.ErrTxUnknownPubKey
}
if !bytes.Equal(in.PubKey.Address(), acc.Address) {
@ -209,7 +209,7 @@ func checkInputPubKey(acc *account.Account, in *types.TxInput) error {
}
acc.PubKey = in.PubKey
} else {
in.PubKey = account.PubKeyNil{}
in.PubKey = nil
}
return nil
}