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67 lines
1.2 KiB
67 lines
1.2 KiB
package vm
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import ()
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const (
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defaultDataStackCapacity = 10
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)
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var (
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Zero = Word{0}
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One = Word{1}
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)
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type Word [32]byte
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func (w Word) String() string { return string(w[:]) }
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func (w Word) Copy() Word { return w }
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func (w Word) Bytes() []byte { return w[:] } // copied.
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func (w Word) Address() []byte { return w[:20] }
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func (w Word) IsZero() bool {
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accum := byte(0)
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for _, byt := range w {
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accum |= byt
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}
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return accum == 0
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}
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//-----------------------------------------------------------------------------
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type Account struct {
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Address Word
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Balance uint64
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Code []byte
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Nonce uint64
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StorageRoot Word
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Other interface{} // For holding all other data.
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}
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type Log struct {
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Address Word
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Topics []Word
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Data []byte
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Height uint64
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}
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type AppState interface {
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// Accounts
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GetAccount(addr Word) (*Account, error)
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UpdateAccount(*Account) error
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DeleteAccount(*Account) error
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CreateAccount(*Account) (*Account, error)
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// Storage
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GetStorage(Word, Word) (Word, error)
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SetStorage(Word, Word, Word) (bool, error) // Setting to Zero is deleting.
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// Logs
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AddLog(*Log)
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}
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type Params struct {
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BlockHeight uint64
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BlockHash Word
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BlockTime int64
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GasLimit uint64
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}
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