37f7363386
`Transaction`, `Block` and `Contract` are represented as
`Array`s in VM, so we must return pointers.
Revert a1f98f92.
59 lines
2.2 KiB
Go
59 lines
2.2 KiB
Go
/*
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Package contract provides functions to work with contracts.
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*/
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package contract
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import "github.com/nspcc-dev/neo-go/pkg/interop"
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// Contract represents a Neo contract and is used in interop functions. It's
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// a data structure that you can manipulate with using functions from
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// this package. It's similar in function to the Contract class in the Neo .net
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// framework.
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type Contract struct {
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Script []byte
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Manifest []byte
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HasStorage bool
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IsPayable bool
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}
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// Create creates a new contract using a set of input parameters:
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// script contract's bytecode (limited in length by 1M)
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// manifest contract's manifest (limited in length by 2 KiB)
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// It returns this new created Contract when successful (and fails transaction
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// if not). It uses `System.Contract.Create` syscall.
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func Create(script []byte, manifest []byte) *Contract {
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return &Contract{}
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}
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// Update updates script and manifest of the calling contract (that is the one that calls Update)
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// to the new ones. Its parameters have exactly the same semantics as for
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// Create. The old contract will be deleted by this call, if it has any storage
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// associated it will be migrated to the new contract. New contract is returned.
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// This function uses `System.Contract.Update` syscall.
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func Update(script []byte, manifest []byte) {
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return
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}
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// Destroy deletes calling contract (the one that calls Destroy) from the
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// blockchain, so it's only possible to do that from the contract itself and
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// not by any outside code. When contract is deleted all associated storage
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// items are deleted too. This function uses `System.Contract.Destroy` syscall.
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func Destroy() {}
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// IsStandard checks if contract with provided hash is a standard signature/multisig contract.
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// This function uses `System.Contract.IsStandard` syscall.
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func IsStandard(h interop.Hash160) bool {
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return false
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}
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// CreateStandardAccount calculates script hash of a given public key.
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// This function uses `System.Contract.CreateStandardAccount` syscall.
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func CreateStandardAccount(pub interop.PublicKey) []byte {
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return nil
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}
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// GetCallFlags returns calling flags which execution context was created with.
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// This function uses `System.Contract.GetCallFlags` syscall.
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func GetCallFlags() int64 {
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return 0
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}
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