diff --git a/abi-bindings/go/ERC20Destination/ERC20Destination.go b/abi-bindings/go/ERC20Destination/ERC20Destination.go
index 601c229f..c69d6419 100644
--- a/abi-bindings/go/ERC20Destination/ERC20Destination.go
+++ b/abi-bindings/go/ERC20Destination/ERC20Destination.go
@@ -42,7 +42,7 @@ type SendTokensInput struct {
 // ERC20DestinationMetaData contains all meta data concerning the ERC20Destination contract.
 var ERC20DestinationMetaData = &bind.MetaData{
 	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterRegistryAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"teleporterManager\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"sourceBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"tokenSourceAddress\",\"type\":\"address\"},{\"internalType\":\"string\",\"name\":\"tokenName\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"tokenSymbol\",\"type\":\"string\"},{\"internalType\":\"uint8\",\"name\":\"tokenDecimals\",\"type\":\"uint8\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"oldMinTeleporterVersion\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"newMinTeleporterVersion\",\"type\":\"uint256\"}],\"name\":\"MinTeleporterVersionUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"teleporterMessageID\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"SendTokens\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressPaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressUnpaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"SEND_TOKENS_REQUIRED_GAS\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"blockchainID\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"feeTokenAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getMinTeleporterVersion\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"isTeleporterAddressPaused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"pauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"sourceBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"originSenderAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"receiveTeleporterMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"destinationBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"destinationBridgeAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"primaryFee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"secondaryFee\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"allowedRelayerAddresses\",\"type\":\"address[]\"}],\"internalType\":\"structSendTokensInput\",\"name\":\"input\",\"type\":\"tuple\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"send\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"sourceBlockchainID\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"teleporterRegistry\",\"outputs\":[{\"internalType\":\"contractTeleporterRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"tokenSourceAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"unpauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"version\",\"type\":\"uint256\"}],\"name\":\"updateMinTeleporterVersion\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
-	Bin: 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 }
 
 // ERC20DestinationABI is the input ABI used to generate the binding from.
diff --git a/abi-bindings/go/ERC20Source/ERC20Source.go b/abi-bindings/go/ERC20Source/ERC20Source.go
index de2cf095..654ce568 100644
--- a/abi-bindings/go/ERC20Source/ERC20Source.go
+++ b/abi-bindings/go/ERC20Source/ERC20Source.go
@@ -42,7 +42,7 @@ type SendTokensInput struct {
 // ERC20SourceMetaData contains all meta data concerning the ERC20Source contract.
 var ERC20SourceMetaData = &bind.MetaData{
 	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterRegistryAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"teleporterManager\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenAddress\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"oldMinTeleporterVersion\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"newMinTeleporterVersion\",\"type\":\"uint256\"}],\"name\":\"MinTeleporterVersionUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"teleporterMessageID\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"SendTokens\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressPaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressUnpaused\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"SEND_TOKENS_REQUIRED_GAS\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"blockchainID\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"destinationBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"destinationBridgeAddress\",\"type\":\"address\"}],\"name\":\"bridgedBalances\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"feeTokenAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getMinTeleporterVersion\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"isTeleporterAddressPaused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"pauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"sourceBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"originSenderAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"receiveTeleporterMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"destinationBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"destinationBridgeAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"primaryFee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"secondaryFee\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"allowedRelayerAddresses\",\"type\":\"address[]\"}],\"internalType\":\"structSendTokensInput\",\"name\":\"input\",\"type\":\"tuple\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"send\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"teleporterRegistry\",\"outputs\":[{\"internalType\":\"contractTeleporterRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"token\",\"outputs\":[{\"internalType\":\"contractIERC20\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"unpauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"version\",\"type\":\"uint256\"}],\"name\":\"updateMinTeleporterVersion\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
-	Bin: 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 }
 
 // ERC20SourceABI is the input ABI used to generate the binding from.
diff --git a/abi-bindings/go/NativeTokenSource/NativeTokenSource.go b/abi-bindings/go/NativeTokenSource/NativeTokenSource.go
index ee37652a..6ef8182d 100644
--- a/abi-bindings/go/NativeTokenSource/NativeTokenSource.go
+++ b/abi-bindings/go/NativeTokenSource/NativeTokenSource.go
@@ -42,7 +42,7 @@ type SendTokensInput struct {
 // NativeTokenSourceMetaData contains all meta data concerning the NativeTokenSource contract.
 var NativeTokenSourceMetaData = &bind.MetaData{
 	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterRegistryAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"teleporterManager\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"feeTokenAddress\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"oldMinTeleporterVersion\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"newMinTeleporterVersion\",\"type\":\"uint256\"}],\"name\":\"MinTeleporterVersionUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"teleporterMessageID\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"SendTokens\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressPaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"TeleporterAddressUnpaused\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"SEND_TOKENS_REQUIRED_GAS\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"blockchainID\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"destinationBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"destinationBridgeAddress\",\"type\":\"address\"}],\"name\":\"bridgedBalances\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"feeTokenAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getMinTeleporterVersion\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"isTeleporterAddressPaused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"pauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"sourceBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"originSenderAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"receiveTeleporterMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"destinationBlockchainID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"destinationBridgeAddress\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"primaryFee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"secondaryFee\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"allowedRelayerAddresses\",\"type\":\"address[]\"}],\"internalType\":\"structSendTokensInput\",\"name\":\"input\",\"type\":\"tuple\"}],\"name\":\"send\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"teleporterRegistry\",\"outputs\":[{\"internalType\":\"contractTeleporterRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"teleporterAddress\",\"type\":\"address\"}],\"name\":\"unpauseTeleporterAddress\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"version\",\"type\":\"uint256\"}],\"name\":\"updateMinTeleporterVersion\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
-	Bin: 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 }
 
 // NativeTokenSourceABI is the input ABI used to generate the binding from.
diff --git a/contracts/src/TeleporterTokenDestination.sol b/contracts/src/TeleporterTokenDestination.sol
index beb8fae8..7fe16916 100644
--- a/contracts/src/TeleporterTokenDestination.sol
+++ b/contracts/src/TeleporterTokenDestination.sol
@@ -34,6 +34,8 @@ abstract contract TeleporterTokenDestination is
     /// @notice The ERC20 token this contract uses to pay for Teleporter fees.
     address public immutable feeTokenAddress;
 
+    // TODO: these are values brought from the example ERC20Bridge contract.
+    // Need to figure out appropriate values.
     uint256 public constant SEND_TOKENS_REQUIRED_GAS = 300_000;
 
     /**
@@ -60,25 +62,38 @@ abstract contract TeleporterTokenDestination is
      * @notice Sends tokens to the specified destination token bridge instance.
      *
      * @dev Burns the bridged amount, and uses Teleporter to send a cross chain message.
+     * Tokens can be sent to the same blockchain this bridge instance is deployed on,
+     * to another destination bridge instance.
      * Requirements:
      *
-     * - `input.destinationBlockchainID` cannot be the same as the current blockchainID
      * - `input.destinationBridgeAddress` cannot be the zero address
      * - `input.recipient` cannot be the zero address
      * - `amount` must be greater than 0
      * - `amount` must be greater than `input.primaryFee`
      */
     function _send(SendTokensInput calldata input, uint256 amount) internal virtual {
-        require(
-            input.destinationBlockchainID != blockchainID,
-            "TeleporterTokenDestination: cannot bridge to same chain"
-        );
         require(
             input.destinationBridgeAddress != address(0),
             "TeleporterTokenDestination: zero destination bridge address"
         );
         require(input.recipient != address(0), "TeleporterTokenDestination: zero recipient address");
 
+        // If the destination blockchain is the source bridge instance's blockchain,
+        // the destination bridge address must match the token source address.
+        if (input.destinationBlockchainID == sourceBlockchainID) {
+            require(
+                input.destinationBridgeAddress == tokenSourceAddress,
+                "TeleporterTokenDestination: invalid destination bridge address"
+            );
+        }
+
+        if (input.destinationBlockchainID == blockchainID) {
+            require(
+                input.destinationBridgeAddress != address(this),
+                "TeleporterTokenDestination: invalid destination bridge address"
+            );
+        }
+
         // Deposit the funds sent from the user to the bridge,
         // and set to adjusted amount after deposit
         amount = _deposit(amount);
diff --git a/contracts/src/TeleporterTokenSource.sol b/contracts/src/TeleporterTokenSource.sol
index c66b8a5f..21a5521a 100644
--- a/contracts/src/TeleporterTokenSource.sol
+++ b/contracts/src/TeleporterTokenSource.sol
@@ -41,6 +41,8 @@ abstract contract TeleporterTokenSource is ITeleporterTokenBridge, TeleporterOwn
             => mapping(address destinationBridgeAddress => uint256 balance)
     ) public bridgedBalances;
 
+    // TODO: these are values brought from the example ERC20Bridge contract.
+    // Need to figure out appropriate values.
     uint256 public constant SEND_TOKENS_REQUIRED_GAS = 300_000;
 
     /**
@@ -145,7 +147,8 @@ abstract contract TeleporterTokenSource is ITeleporterTokenBridge, TeleporterOwn
         // Decrement the bridge balance by the unwrap amount
         bridgedBalances[sourceBlockchainID][originSenderAddress] = senderBalance - amount;
 
-        // decrement totalAmount from bridge balance
+        // If the final destination of the transfer is this source bridge instance, withdraw the tokens.abi
+        // Otherwise, perform a multihop transfer to the input destination bridge instance.
         if (input.destinationBlockchainID == blockchainID) {
             require(
                 input.destinationBridgeAddress == address(this),
diff --git a/contracts/test/TeleporterTokenDestinationTests.t.sol b/contracts/test/TeleporterTokenDestinationTests.t.sol
index 3271ea32..6ba73c7c 100644
--- a/contracts/test/TeleporterTokenDestinationTests.t.sol
+++ b/contracts/test/TeleporterTokenDestinationTests.t.sol
@@ -102,14 +102,6 @@ contract TeleporterTokenDestinationTest is Test {
     /**
      * Send tokens unit tests
      */
-
-    function testSendToSameChain() public {
-        SendTokensInput memory input = _createDefaultSendTokensInput();
-        input.destinationBlockchainID = DEFAULT_DESTINATION_BLOCKCHAIN_ID;
-        vm.expectRevert(_formatTokenDestinationErrorMessage("cannot bridge to same chain"));
-        app.send(input, 0);
-    }
-
     function testZeroDestinationBridge() public {
         SendTokensInput memory input = _createDefaultSendTokensInput();
         input.destinationBridgeAddress = address(0);
@@ -124,6 +116,21 @@ contract TeleporterTokenDestinationTest is Test {
         app.send(input, 0);
     }
 
+    function testInvalidSendingBackToSourceBlockchain() public {
+        SendTokensInput memory input = _createDefaultSendTokensInput();
+        input.destinationBridgeAddress = address(this);
+        vm.expectRevert(_formatTokenDestinationErrorMessage("invalid destination bridge address"));
+        app.send(input, 0);
+    }
+
+    function testSendingToSameInstance() public {
+        SendTokensInput memory input = _createDefaultSendTokensInput();
+        input.destinationBlockchainID = app.blockchainID();
+        input.destinationBridgeAddress = address(app);
+        vm.expectRevert(_formatTokenDestinationErrorMessage("invalid destination bridge address"));
+        app.send(input, 0);
+    }
+
     function testZeroSendAmount() public {
         vm.expectRevert(_formatTokenDestinationErrorMessage("zero send amount"));
         app.send(_createDefaultSendTokensInput(), 0);
@@ -148,6 +155,21 @@ contract TeleporterTokenDestinationTest is Test {
         _sendSuccess(amount, primaryFee);
     }
 
+    function testSendToSameBlockchainDifferentDestination() public {
+        // Send a transfer to the same app itself
+        uint256 amount = 2;
+        SendTokensInput memory input = _createDefaultSendTokensInput();
+        input.destinationBlockchainID = app.blockchainID();
+        input.destinationBridgeAddress = address(this);
+
+        uint256 bridgedAmount = amount - input.primaryFee;
+        _checkExpectedTeleporterCalls(input, bridgedAmount);
+
+        vm.expectEmit(true, true, true, true, address(app));
+        emit SendTokens(_MOCK_MESSAGE_ID, address(this), bridgedAmount);
+        app.send(input, amount);
+    }
+
     /**
      * Receive tokens unit tests
      */
diff --git a/go.mod b/go.mod
index cd58018c..3d591318 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/ava-labs/teleporter-token-bridge
 go 1.21
 
 require (
+	github.com/ava-labs/avalanchego v1.11.1
 	github.com/ava-labs/subnet-evm v0.6.1
 	github.com/ava-labs/teleporter v1.0.0
 	github.com/ethereum/go-ethereum v1.12.0
@@ -16,7 +17,6 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/VictoriaMetrics/fastcache v1.10.0 // indirect
 	github.com/ava-labs/avalanche-network-runner v1.7.6 // indirect
-	github.com/ava-labs/avalanchego v1.11.1 // indirect
 	github.com/ava-labs/coreth v0.13.0-rc.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
@@ -134,7 +134,7 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
 	google.golang.org/grpc v1.58.3 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
diff --git a/go.sum b/go.sum
index 2d57a664..d5bfdd20 100644
--- a/go.sum
+++ b/go.sum
@@ -1016,8 +1016,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/scripts/abi_bindings.sh b/scripts/abi_bindings.sh
index 3e6e596f..cb209dbf 100755
--- a/scripts/abi_bindings.sh
+++ b/scripts/abi_bindings.sh
@@ -15,6 +15,7 @@ source $TELEPORTER_PATH/scripts/utils.sh
 
 setARCH
 
+# Contract names to generate Go bindings for
 DEFAULT_CONTRACT_LIST="ERC20Source ERC20Destination NativeTokenSource"
 
 CONTRACT_LIST=
diff --git a/tests/flows/basic_erc20_send_receive.go b/tests/flows/basic_erc20_send_receive.go
index 0f8d861c..4200280e 100644
--- a/tests/flows/basic_erc20_send_receive.go
+++ b/tests/flows/basic_erc20_send_receive.go
@@ -54,7 +54,7 @@ func BasicERC20SendReceive(network interfaces.Network) {
 		fundedKey,
 		subnetBInfo,
 		fundedAddress,
-		subnetAInfo,
+		subnetAInfo.BlockchainID,
 		erc20SourceAddress,
 		tokenName,
 		tokenSymbol,
@@ -104,9 +104,9 @@ func BasicERC20SendReceive(network interfaces.Network) {
 	utils.CheckERC20DestinationWithdrawal(
 		ctx,
 		erc20Destination,
+		receipt,
 		recipientAddress,
 		bridgedAmount,
-		receipt,
 	)
 
 	// Check that the recipient received the tokens
@@ -158,9 +158,9 @@ func BasicERC20SendReceive(network interfaces.Network) {
 		ctx,
 		erc20SourceAddress,
 		sourceToken,
+		receipt,
 		recipientAddress,
 		bridgedAmount,
-		receipt,
 	)
 
 	// Check that the recipient received the tokens
diff --git a/tests/utils/utils.go b/tests/utils/utils.go
index a59ffff6..4d25f614 100644
--- a/tests/utils/utils.go
+++ b/tests/utils/utils.go
@@ -8,6 +8,7 @@ import (
 	"crypto/ecdsa"
 	"math/big"
 
+	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/subnet-evm/accounts/abi/bind"
 	"github.com/ava-labs/subnet-evm/core/types"
 	erc20destination "github.com/ava-labs/teleporter-token-bridge/abi-bindings/go/ERC20Destination"
@@ -53,12 +54,11 @@ func DeployERC20Destination(
 	senderKey *ecdsa.PrivateKey,
 	subnet interfaces.SubnetTestInfo,
 	teleporterManager common.Address,
-	sourceSubnet interfaces.SubnetTestInfo,
+	sourceBlockchainID ids.ID,
 	tokenSourceAddress common.Address,
 	tokenName string,
 	tokenSymbol string,
 	tokenDecimals uint8,
-
 ) (common.Address, *erc20destination.ERC20Destination) {
 	opts, err := bind.NewKeyedTransactorWithChainID(
 		senderKey,
@@ -70,7 +70,7 @@ func DeployERC20Destination(
 		subnet.RPCClient,
 		subnet.TeleporterRegistryAddress,
 		teleporterManager,
-		sourceSubnet.BlockchainID,
+		sourceBlockchainID,
 		tokenSourceAddress,
 		tokenName,
 		tokenSymbol,
@@ -220,27 +220,27 @@ func CheckERC20SourceWithdrawal(
 	ctx context.Context,
 	erc20SourceAddress common.Address,
 	sourceToken *exampleerc20.ExampleERC20,
-	recipientAddress common.Address,
-	amount *big.Int,
 	receipt *types.Receipt,
+	expectedRecipientAddress common.Address,
+	expectedAmount *big.Int,
 ) {
 	sourceTransferEvent, err := teleporterUtils.GetEventFromLogs(receipt.Logs, sourceToken.ParseTransfer)
 	Expect(err).Should(BeNil())
 	Expect(sourceTransferEvent.From).Should(Equal(erc20SourceAddress))
-	Expect(sourceTransferEvent.To).Should(Equal(recipientAddress))
-	Expect(sourceTransferEvent.Value).Should(Equal(amount))
+	Expect(sourceTransferEvent.To).Should(Equal(expectedRecipientAddress))
+	Expect(sourceTransferEvent.Value).Should(Equal(expectedAmount))
 }
 
 func CheckERC20DestinationWithdrawal(
 	ctx context.Context,
 	erc20Destination *erc20destination.ERC20Destination,
-	recipientAddress common.Address,
-	amount *big.Int,
 	receipt *types.Receipt,
+	expectedRecipientAddress common.Address,
+	expectedAmount *big.Int,
 ) {
 	transferEvent, err := teleporterUtils.GetEventFromLogs(receipt.Logs, erc20Destination.ParseTransfer)
 	Expect(err).Should(BeNil())
 	Expect(transferEvent.From).Should(Equal(common.Address{}))
-	Expect(transferEvent.To).Should(Equal(recipientAddress))
-	Expect(transferEvent.Value).Should(Equal(amount))
+	Expect(transferEvent.To).Should(Equal(expectedRecipientAddress))
+	Expect(transferEvent.Value).Should(Equal(expectedAmount))
 }