chore: port tests

Signed-off-by: Manfred Touron <[email protected]>

stdlibs/banker.gno

@@ -0,0 +1,150 @@
+package stdlibs
+
+import (
+	"fmt"
+
+	"github.com/gnolang/gno/pkgs/crypto"
+	"github.com/gnolang/gno/pkgs/std"
+)
+
+// This has the same interface as stdlibs/std.Banker.
+// The native implementation of Banker (wrapped by any
+// wrappers for limiting functionality as necessary)
+// becomes available in Gno that implements
+// stdlibs/std.Banker.
+type Banker interface {
+	GetCoins(addr crypto.Bech32Address) (dst std.Coins)
+	SendCoins(from, to crypto.Bech32Address, amt std.Coins)
+	TotalCoin(denom string) int64
+	IssueCoin(addr crypto.Bech32Address, denom string, amount int64)
+	RemoveCoin(addr crypto.Bech32Address, denom string, amount int64)
+}
+
+// Used in std.GetBanker(options).
+// Also available as Gno in stdlibs/std/banker.go
+type BankerType uint8
+
+// Also available as Gno in stdlibs/std/banker.go
+const (
+	// Can only read state.
+	BankerTypeReadonly BankerType = iota
+	// Can only send from tx send.
+	BankerTypeOrigSend
+	// Can send from all realm coins.
+	BankerTypeRealmSend
+	// Can issue and remove realm coins.
+	BankerTypeRealmIssue
+)
+
+//----------------------------------------
+// ReadonlyBanker
+
+type ReadonlyBanker struct {
+	banker Banker
+}
+
+func NewReadonlyBanker(banker Banker) ReadonlyBanker {
+	return ReadonlyBanker{banker}
+}
+
+func (rb ReadonlyBanker) GetCoins(addr crypto.Bech32Address) (dst std.Coins) {
+	return rb.banker.GetCoins(addr)
+}
+func (rb ReadonlyBanker) SendCoins(from, to crypto.Bech32Address, amt std.Coins) {
+	panic("ReadonlyBanker cannot send coins")
+}
+func (rb ReadonlyBanker) TotalCoin(denom string) int64 {
+	return rb.banker.TotalCoin(denom)
+}
+func (rb ReadonlyBanker) IssueCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("ReadonlyBanker cannot issue coins")
+}
+func (rb ReadonlyBanker) RemoveCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("ReadonlyBanker cannot remove coins")
+}
+
+//----------------------------------------
+// OrigSendBanker
+
+type OrigSendBanker struct {
+	banker        Banker
+	pkgAddr       crypto.Bech32Address
+	origSend      std.Coins
+	origSendSpent *std.Coins
+}
+
+func NewOrigSendBanker(banker Banker, pkgAddr crypto.Bech32Address, origSend std.Coins, origSendSpent *std.Coins) OrigSendBanker {
+	if origSendSpent == nil {
+		panic("origSendSpent cannot be nil")
+	}
+	return OrigSendBanker{
+		banker:        banker,
+		pkgAddr:       pkgAddr,
+		origSend:      origSend,
+		origSendSpent: origSendSpent,
+	}
+}
+
+func (osb OrigSendBanker) GetCoins(addr crypto.Bech32Address) (dst std.Coins) {
+	return osb.banker.GetCoins(addr)
+}
+func (osb OrigSendBanker) SendCoins(from, to crypto.Bech32Address, amt std.Coins) {
+	if from != osb.pkgAddr {
+		panic(fmt.Sprintf(
+			"OrigSendBanker can only send from the realm package address %q, but got %q",
+			osb.pkgAddr, from))
+	}
+	spent := (*osb.origSendSpent).Add(amt)
+	if !osb.origSend.IsAllGTE(spent) {
+		panic(fmt.Sprintf(
+			`cannot send "%v", limit "%v" exceeded with "%v" already spent`,
+			amt, osb.origSend, *osb.origSendSpent))
+	}
+	osb.banker.SendCoins(from, to, amt)
+	*osb.origSendSpent = spent
+}
+func (osb OrigSendBanker) TotalCoin(denom string) int64 {
+	return osb.banker.TotalCoin(denom)
+}
+func (osb OrigSendBanker) IssueCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("OrigSendBanker cannot issue coins")
+}
+func (osb OrigSendBanker) RemoveCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("OrigSendBanker cannot remove coins")
+}
+
+//----------------------------------------
+// RealmSendBanker
+
+type RealmSendBanker struct {
+	banker  Banker
+	pkgAddr crypto.Bech32Address
+}
+
+func NewRealmSendBanker(banker Banker, pkgAddr crypto.Bech32Address) RealmSendBanker {
+	return RealmSendBanker{
+		banker:  banker,
+		pkgAddr: pkgAddr,
+	}
+}
+
+func (rsb RealmSendBanker) GetCoins(addr crypto.Bech32Address) (dst std.Coins) {
+	return rsb.banker.GetCoins(addr)
+}
+func (rsb RealmSendBanker) SendCoins(from, to crypto.Bech32Address, amt std.Coins) {
+	if from != rsb.pkgAddr {
+		panic(fmt.Sprintf(
+			"RealmSendBanker can only send from the realm package address %q, but got %q",
+			rsb.pkgAddr, from))
+	}
+	rsb.banker.SendCoins(from, to, amt)
+}
+func (rsb RealmSendBanker) TotalCoin(denom string) int64 {
+	return rsb.banker.TotalCoin(denom)
+}
+func (rsb RealmSendBanker) IssueCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("RealmSendBanker cannot issue coins")
+}
+func (rsb RealmSendBanker) RemoveCoin(addr crypto.Bech32Address, denom string, amount int64) {
+	panic("RealmSendBanker cannot remove coins")
+}

stdlibs/banker.go

@@ -0,0 +1 @@
+banker.gno