feat: multi-chain payment abi (#896)

* use payment abi from package

go.mod

@@ -21,6 +21,7 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.7
 	github.com/hashicorp/vault/api v1.14.0
 	github.com/hashicorp/vault/api/auth/userpass v0.7.0
+	github.com/iden3/contracts-abi/multi-chain-payment/go/abi v0.0.0-20250116162607-8fec43acf817
 	github.com/iden3/contracts-abi/onchain-credential-status-resolver/go/abi v0.0.0-20230911113809-c58b7e7a69b0
 	github.com/iden3/contracts-abi/state/go/abi v1.0.2-0.20230911112726-4533c5701af1
 	github.com/iden3/driver-did-iden3 v0.0.7

go.sum

@@ -414,6 +414,8 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/huin/goupnp v1.3.0 h1:UvLUlWDNpoUdYzb2TCn+MuTWtcjXKSza2n6CBdQ0xXc=
 github.com/huin/goupnp v1.3.0/go.mod h1:gnGPsThkYa7bFi/KWmEysQRf48l2dvR5bxr2OFckNX8=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/iden3/contracts-abi/multi-chain-payment/go/abi v0.0.0-20250116162607-8fec43acf817 h1:xuYOzprI4R11ty8CpFAO8cmsDpLpMBkTaAo4Jb640Po=
+github.com/iden3/contracts-abi/multi-chain-payment/go/abi v0.0.0-20250116162607-8fec43acf817/go.mod h1:T3jzISOZAzewRmzTxzGzj91V8MP+usTdPYbRE68hLyA=
 github.com/iden3/contracts-abi/onchain-credential-status-resolver/go/abi v0.0.0-20230911113809-c58b7e7a69b0 h1:Fu1/tAINi9FzZ0nKoEVOGXWzL1l15tR1loJx5sQEQ8k=
 github.com/iden3/contracts-abi/onchain-credential-status-resolver/go/abi v0.0.0-20230911113809-c58b7e7a69b0/go.mod h1:8fkd2xyUG/V7ovpvZRyD2LyK2zZ4ALbgf5vJGyhzKdg=
 github.com/iden3/contracts-abi/rhs-storage/go/abi v0.0.0-20231006141557-7d13ef7e3c48 h1:/g4rru+OM5WAhVNXEpowKH+vWZLGjgpk5+O8Stu4QBo=

internal/core/services/payment.go

@@ -17,6 +17,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/signer/core/apitypes"
 	"github.com/google/uuid"
+	abi "github.com/iden3/contracts-abi/multi-chain-payment/go/abi"
 	core "github.com/iden3/go-iden3-core/v2"
 	"github.com/iden3/go-iden3-core/v2/w3c"
 	comm "github.com/iden3/iden3comm/v2"
@@ -256,7 +257,7 @@ func (p *payment) VerifyPayment(ctx context.Context, issuerDID w3c.DID, nonce *b
 		return ports.BlockchainPaymentStatusPending, fmt.Errorf("failed to get ethereum client from resolvers settings for key <%s>", paymentReqItem.SigningKeyID)
 	}
 
-	instance, err := eth.NewPaymentContract(setting.PaymentRails, client.GetEthereumClient())
+	instance, err := abi.NewMCPayment(setting.PaymentRails, client.GetEthereumClient())
 	if err != nil {
 		return ports.BlockchainPaymentStatusPending, err
 	}
@@ -277,7 +278,7 @@ func (p *payment) VerifyPayment(ctx context.Context, issuerDID w3c.DID, nonce *b
 func (p *payment) verifyPaymentOnBlockchain(
 	ctx context.Context,
 	client *eth.Client,
-	contract *eth.PaymentContract,
+	contract *abi.MCPayment,
 	signerAddress common.Address,
 	nonce *big.Int,
 	txID *string,