ERC 1155 tokens bridge integration (#1332)

* Generate ERC1155 bindings

* Initialize contracts

* Deposit ERC1155 tokens

* Withdraw ERC1155 tokens

* ERC1155 E2E test

* Rename withdraw result

* Provide corret child predicate address to the root predicate

* Pass E2E test

* Refactor commands and E2E test a bit

* Simplifications

* Simplify ERC 20 bridge commands

* Address comment

* Comment

* Move disabled root predicate dummy address to a const

* Update SC spec

* Fix ERC-1155 bridge e2e test

* Regenerate SC without logs

command/bridge/bridge.go

@@ -3,9 +3,11 @@ package bridge
 import (
 	"github.com/spf13/cobra"
 
-	"github.com/0xPolygon/polygon-edge/command/bridge/deposit"
+	depositERC1155 "github.com/0xPolygon/polygon-edge/command/bridge/deposit/erc1155"
+	depositERC20 "github.com/0xPolygon/polygon-edge/command/bridge/deposit/erc20"
 	"github.com/0xPolygon/polygon-edge/command/bridge/exit"
-	"github.com/0xPolygon/polygon-edge/command/bridge/withdraw"
+	withdrawERC1155 "github.com/0xPolygon/polygon-edge/command/bridge/withdraw/erc1155"
+	withdrawERC20 "github.com/0xPolygon/polygon-edge/command/bridge/withdraw/erc20"
 )
 
 // GetCommand creates "bridge" helper command
@@ -22,10 +24,14 @@ func GetCommand() *cobra.Command {
 
 func registerSubcommands(baseCmd *cobra.Command) {
 	baseCmd.AddCommand(
-		// bridge deposit
-		deposit.GetCommand(),
-		// bridge withdraw
-		withdraw.GetCommand(),
+		// bridge deposit-erc20
+		depositERC20.GetCommand(),
+		// bridge deposit-erc1155
+		depositERC1155.GetCommand(),
+		// bridge withdraw-erc20
+		withdrawERC20.GetCommand(),
+		// bridge withdraw-erc1155
+		withdrawERC1155.GetCommand(),
 		// bridge exit
 		exit.GetCommand(),
 	)

command/bridge/common/params.go

@@ -0,0 +1,78 @@
+package common
+
+import (
+	"errors"
+)
+
+type TokenType int
+
+const (
+	ERC20 TokenType = iota
+	ERC721
+	ERC1155
+)
+
+const (
+	SenderKeyFlag = "sender-key"
+	ReceiversFlag = "receivers"
+	AmountsFlag   = "amounts"
+	TokenIDsFlag  = "token-ids"
+
+	RootTokenFlag      = "root-token"
+	RootPredicateFlag  = "root-predicate"
+	ChildPredicateFlag = "child-predicate"
+	ChildTokenFlag     = "child-token"
+	JSONRPCFlag        = "json-rpc"
+)
+
+var (
+	errInconsistentAmounts  = errors.New("receivers and amounts must be equal length")
+	errInconsistentTokenIds = errors.New("receivers and token ids must be equal length")
+)
+
+type BridgeParams struct {
+	SenderKey     string
+	Receivers     []string
+	TokenAddr     string
+	PredicateAddr string
+	JSONRPCAddr   string
+}
+
+type ERC20BridgeParams struct {
+	*BridgeParams
+	Amounts []string
+}
+
+func NewERC20BridgeParams() *ERC20BridgeParams {
+	return &ERC20BridgeParams{BridgeParams: &BridgeParams{}}
+}
+
+func (bp *ERC20BridgeParams) Validate() error {
+	if len(bp.Receivers) != len(bp.Amounts) {
+		return errInconsistentAmounts
+	}
+
+	return nil
+}
+
+type ERC1155BridgeParams struct {
+	*BridgeParams
+	Amounts  []string
+	TokenIDs []string
+}
+
+func NewERC1155BridgeParams() *ERC1155BridgeParams {
+	return &ERC1155BridgeParams{BridgeParams: &BridgeParams{}}
+}
+
+func (bp *ERC1155BridgeParams) Validate() error {
+	if len(bp.Receivers) != len(bp.Amounts) {
+		return errInconsistentAmounts
+	}
+
+	if len(bp.Receivers) != len(bp.TokenIDs) {
+		return errInconsistentTokenIds
+	}
+
+	return nil
+}