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compiler: use constants in interops

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We now support using exported constants, so there is no
need in declaring functions. All functions from `interop/`
are not to be compiled.

Fix #1298.
This commit is contained in:
Evgenii Stratonikov 2020-08-10 17:51:32 +03:00
parent 0b96e6a048
commit f2cb1d5f02
4 changed files with 13 additions and 24 deletions
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4
docs/compiler.md
View file

@ -261,7 +261,7 @@ func Main(operation string, args []interface{}) bool {
token := newToken() token := newToken()
trigger := runtime.GetTrigger() trigger := runtime.GetTrigger()
if trigger == runtime.Verification() { if trigger == runtime.Verification {
isOwner := runtime.CheckWitness(token.Owner) isOwner := runtime.CheckWitness(token.Owner)
if isOwner { if isOwner {
return true return true
@ -269,7 +269,7 @@ func Main(operation string, args []interface{}) bool {
return false return false
} }
if trigger == runtime.Application() { if trigger == runtime.Application {
if operation == "mintTokens" { if operation == "mintTokens" {
token.AddToCirculation(100) token.AddToCirculation(100)
} }

4
examples/runtime/runtime.go
View file

@ -13,12 +13,12 @@ func Main(operation string, args []interface{}) bool {
trigger := runtime.GetTrigger() trigger := runtime.GetTrigger()
// Log owner upon Verification trigger // Log owner upon Verification trigger
if trigger == runtime.Verification() { if trigger == runtime.Verification {
return CheckWitness() return CheckWitness()
} }
// Discerns between log and notify for this test // Discerns between log and notify for this test
if trigger == runtime.Application() { if trigger == runtime.Application {
return handleOperation(operation, args) return handleOperation(operation, args)
} }

4
examples/token-sale/token_sale.go
View file

@ -112,7 +112,7 @@ func Main(operation string, args []interface{}) interface{} {
// This is used to verify if a transfer of system assets (NEO and Gas) // This is used to verify if a transfer of system assets (NEO and Gas)
// involving this contract's address can proceed. // involving this contract's address can proceed.
if trigger == runtime.Verification() { if trigger == runtime.Verification {
// Check if the invoker is the owner of the contract. // Check if the invoker is the owner of the contract.
if runtime.CheckWitness(cfg.Owner) { if runtime.CheckWitness(cfg.Owner) {
return true return true
@ -120,7 +120,7 @@ func Main(operation string, args []interface{}) interface{} {
// Otherwise TODO // Otherwise TODO
return false return false
} }
if trigger == runtime.Application() { if trigger == runtime.Application {
return handleOperation(operation, args, ctx, cfg) return handleOperation(operation, args, ctx, cfg)
} }
return true return true

25
pkg/interop/runtime/runtime.go
View file

@ -4,6 +4,13 @@ It has similar function to Runtime class in .net framwork for Neo.
*/ */
package runtime package runtime
// Trigger values to compare with GetTrigger result.
const (
System byte = 0x01
Application byte = 0x40
Verification byte = 0x20
)
// CheckWitness verifies if the given script hash (160-bit BE value in a 20 byte // CheckWitness verifies if the given script hash (160-bit BE value in a 20 byte
// slice) or key (compressed serialized 33-byte form) is one of the signers of // slice) or key (compressed serialized 33-byte form) is one of the signers of
// this invocation. It uses `System.Runtime.CheckWitness` syscall. // this invocation. It uses `System.Runtime.CheckWitness` syscall.
@ -43,24 +50,6 @@ func GetTrigger() byte {
return 0x00 return 0x00
} }
// System returns the System trigger type value to compare with
// GetTrigger return value.
func System() byte {
return 0x01
}
// Application returns the Application trigger type value to compare with
// GetTrigger return value.
func Application() byte {
return 0x40
}
// Verification returns the Verification trigger type value to compare with
// GetTrigger return value.
func Verification() byte {
return 0x20
}
// GasLeft returns the amount of gas available for the current execution. // GasLeft returns the amount of gas available for the current execution.
// This function uses `System.Runtime.GasLeft` syscall. // This function uses `System.Runtime.GasLeft` syscall.
func GasLeft() int64 { func GasLeft() int64 {