forked from TrueCloudLab/neoneo-go
cee1836183
Contract can have Hash160, Hash256, Signature etc. types which all map to a `[]byte` in Go. Having synonyms helps us to generate proper manifest file.
59 lines
2.2 KiB
Go
59 lines
2.2 KiB
Go
/*
|
|
Package contract provides functions to work with contracts.
|
|
*/
|
|
package contract
|
|
|
|
import "github.com/nspcc-dev/neo-go/pkg/interop"
|
|
|
|
// Contract represents a Neo contract and is used in interop functions. It's
|
|
// a data structure that you can manipulate with using functions from
|
|
// this package. It's similar in function to the Contract class in the Neo .net
|
|
// framework.
|
|
type Contract struct {
|
|
Script []byte
|
|
Manifest []byte
|
|
HasStorage bool
|
|
IsPayable bool
|
|
}
|
|
|
|
// Create creates a new contract using a set of input parameters:
|
|
// script contract's bytecode (limited in length by 1M)
|
|
// manifest contract's manifest (limited in length by 2 KiB)
|
|
// It returns this new created Contract when successful (and fails transaction
|
|
// if not). It uses `System.Contract.Create` syscall.
|
|
func Create(script []byte, manifest []byte) Contract {
|
|
return Contract{}
|
|
}
|
|
|
|
// Update updates script and manifest of the calling contract (that is the one that calls Update)
|
|
// to the new ones. Its parameters have exactly the same semantics as for
|
|
// Create. The old contract will be deleted by this call, if it has any storage
|
|
// associated it will be migrated to the new contract. New contract is returned.
|
|
// This function uses `System.Contract.Update` syscall.
|
|
func Update(script []byte, manifest []byte) {
|
|
return
|
|
}
|
|
|
|
// Destroy deletes calling contract (the one that calls Destroy) from the
|
|
// blockchain, so it's only possible to do that from the contract itself and
|
|
// not by any outside code. When contract is deleted all associated storage
|
|
// items are deleted too. This function uses `System.Contract.Destroy` syscall.
|
|
func Destroy() {}
|
|
|
|
// IsStandard checks if contract with provided hash is a standard signature/multisig contract.
|
|
// This function uses `System.Contract.IsStandard` syscall.
|
|
func IsStandard(h interop.Hash160) bool {
|
|
return false
|
|
}
|
|
|
|
// CreateStandardAccount calculates script hash of a given public key.
|
|
// This function uses `System.Contract.CreateStandardAccount` syscall.
|
|
func CreateStandardAccount(pub interop.PublicKey) []byte {
|
|
return nil
|
|
}
|
|
|
|
// GetCallFlags returns calling flags which execution context was created with.
|
|
// This function uses `System.Contract.GetCallFlags` syscall.
|
|
func GetCallFlags() int64 {
|
|
return 0
|
|
}
|