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examples: add an example of binary.Itoa usage

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This commit is contained in:
Anna Shaleva 2020-11-10 15:21:57 +03:00
parent a86bd2cd08
commit 5e193a34eb
1 changed files with 5 additions and 27 deletions
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32
examples/timer/timer.go
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@ -1,6 +1,7 @@
package timer package timer
import ( import (
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
"github.com/nspcc-dev/neo-go/pkg/interop/contract" "github.com/nspcc-dev/neo-go/pkg/interop/contract"
"github.com/nspcc-dev/neo-go/pkg/interop/engine" "github.com/nspcc-dev/neo-go/pkg/interop/engine"
"github.com/nspcc-dev/neo-go/pkg/interop/runtime" "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
@ -31,7 +32,8 @@ func _deploy(isUpdate bool) {
return return
} }
storage.Put(ctx, ticksKey, defaultTicks) storage.Put(ctx, ticksKey, defaultTicks)
runtime.Log("Timer set to " + itoa(defaultTicks) + " ticks.") i := binary.Itoa(defaultTicks, 10)
runtime.Log("Timer set to " + i + " ticks.")
} }
// Migrate migrates the contract. // Migrate migrates the contract.
@ -55,7 +57,8 @@ func Tick() bool {
return engine.AppCall(runtime.GetExecutingScriptHash(), "selfDestroy").(bool) return engine.AppCall(runtime.GetExecutingScriptHash(), "selfDestroy").(bool)
} }
storage.Put(ctx, ticksKey, ticksLeft) storage.Put(ctx, ticksKey, ticksLeft)
runtime.Log(itoa(ticksLeft.(int)) + " ticks left.") i := binary.Itoa(ticksLeft.(int), 10)
runtime.Log(i + " ticks left.")
return true return true
} }
@ -69,28 +72,3 @@ func SelfDestroy() bool {
runtime.Log("Destroyed.") runtime.Log("Destroyed.")
return true return true
} }
// itoa converts int to string
func itoa(i int) string {
digits := "0123456789"
var (
res string
isNegative bool
)
if i < 0 {
i = -i
isNegative = true
}
for {
r := i % 10
res = digits[r:r+1] + res
i = i / 10
if i == 0 {
break
}
}
if isNegative {
res = "-" + res
}
return res
}