diff --git a/eth-bridge/contracts/dev-scripts/common.sh b/eth-bridge/contracts/dev-scripts/common.sh
new file mode 100644
index 000000000..a5a39c3fa
--- /dev/null
+++ b/eth-bridge/contracts/dev-scripts/common.sh
@@ -0,0 +1,9 @@
+WALLET_KEY="0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
+WALLET_ADDRESS="0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266"
+LLD_TOKEN="0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0"
+LLD_BRIDGE="0xCf7Ed3AccA5a467e9e704C703E8D87F634fB0Fc9"
+LLM_TOKEN="0x0165878A594ca255338adfa4d48449f69242Eb8F"
+LLM_BRIDGE="0xa513E6E4b8f2a923D98304ec87F64353C4D5C853"
+
+CAST_LLM_BRIDGE="cast send $LLM_BRIDGE --private-key=$WALLET_KEY"
+API_ALICE="polkadot-js-api --seed //Alice"
diff --git a/eth-bridge/contracts/dev-scripts/eth-to-sub.sh b/eth-bridge/contracts/dev-scripts/eth-to-sub.sh
index 97ea2aa56..6f7e0d6d6 100755
--- a/eth-bridge/contracts/dev-scripts/eth-to-sub.sh
+++ b/eth-bridge/contracts/dev-scripts/eth-to-sub.sh
@@ -2,15 +2,11 @@
 
 set -exuo pipefail
 
-# fake mint some tokens
-cast rpc anvil_impersonateAccount 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707
-cast rpc anvil_setBalance 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707 9999999999999999999
-cast send 0xdc64a140aa3e981100a9beca4e685f962f0cf6c9 --unlocked --from=0x5FC8d32690cc91D4c39d9d3abcBD16989F875707 'mint(address,uint256)' 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266 9999999999999
-cast rpc anvil_stopImpersonatingAccount 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707
+cd "$(dirname "$0")"
+. common.sh
 
-# approve bridge
-cast send 0xdc64a140aa3e981100a9beca4e685f962f0cf6c9 --private-key=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 'approve(address,uint256)' 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707 9999999999999
+. fake-mint.sh
 
 # burn tokens
-cast send 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707 --private-key=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 'burn(uint256,bytes32)' 10 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d
+$CAST_LLM_BRIDGE 'burn(uint256,bytes32)' 10000000000000 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d
 
diff --git a/eth-bridge/contracts/dev-scripts/fake-mint.sh b/eth-bridge/contracts/dev-scripts/fake-mint.sh
new file mode 100755
index 000000000..518df230d
--- /dev/null
+++ b/eth-bridge/contracts/dev-scripts/fake-mint.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -exuo pipefail
+
+cd "$(dirname "$0")"
+. common.sh
+
+# fake mint some tokens
+cast rpc anvil_impersonateAccount $LLM_BRIDGE
+cast rpc anvil_setBalance $LLM_BRIDGE  9999999999999999999
+cast send $LLM_TOKEN --unlocked --from=$LLM_BRIDGE 'mint(address,uint256)' $WALLET_ADDRESS 9999999999999
+cast rpc anvil_stopImpersonatingAccount $LLM_BRIDGE
diff --git a/eth-bridge/contracts/dev-scripts/setup-contracts.sh b/eth-bridge/contracts/dev-scripts/setup-contracts.sh
index 6ec4a772c..a7843b594 100755
--- a/eth-bridge/contracts/dev-scripts/setup-contracts.sh
+++ b/eth-bridge/contracts/dev-scripts/setup-contracts.sh
@@ -2,29 +2,30 @@
 
 set -exuo pipefail
 
-llm_bridge="cast send --private-key=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 0x5FC8d32690cc91D4c39d9d3abcBD16989F875707"
+cd "$(dirname "$0")"
+. common.sh
 
 cd "$(dirname "$0")/.."
 
-forge script script/Deploy.s.sol --rpc-url http://localhost:8545 --private-key=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 --broadcast
+forge script script/Deploy.s.sol --rpc-url http://localhost:8545 --private-key=$WALLET_KEY --broadcast
 
 # grant admin role
-$llm_bridge 'grantRole(bytes32,address)' 0xa49807205ce4d355092ef5a8a18f56e8913cf4a201fbe287825b095693c21775 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
+$CAST_LLM_BRIDGE 'grantRole(bytes32,address)' 0xa49807205ce4d355092ef5a8a18f56e8913cf4a201fbe287825b095693c21775 $WALLET_ADDRESS
 
 # grant relay role
-$llm_bridge 'grantRole(bytes32,address)' 0x077a1d526a4ce8a773632ab13b4fbbf1fcc954c3dab26cd27ea0e2a6750da5d7 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
+$CAST_LLM_BRIDGE 'grantRole(bytes32,address)' 0x077a1d526a4ce8a773632ab13b4fbbf1fcc954c3dab26cd27ea0e2a6750da5d7 $WALLET_ADDRESS
 
 # grant watcher role
-$llm_bridge 'grantRole(bytes32,address)' 0x2125d1e225cadc5c8296e2cc1f96ee607770bf4a4a16131e62f6819937437c89 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
+$CAST_LLM_BRIDGE 'grantRole(bytes32,address)' 0x2125d1e225cadc5c8296e2cc1f96ee607770bf4a4a16131e62f6819937437c89 $WALLET_ADDRESS
 
 # 1 vote required
-$llm_bridge 'setVotesRequired(uint32)' 1
+$CAST_LLM_BRIDGE 'setVotesRequired(uint32)' 1
 
 # no mint delay
-$llm_bridge 'setMintDelay(uint256)' 0
+$CAST_LLM_BRIDGE 'setMintDelay(uint256)' 0
 
 # start bridge
-$llm_bridge 'setActive(bool)' 1
+$CAST_LLM_BRIDGE 'setActive(bool)' 1
 
 # make sure we get some blocks often
 cast rpc evm_setIntervalMining 2
diff --git a/eth-bridge/contracts/dev-scripts/setup-pallet.sh b/eth-bridge/contracts/dev-scripts/setup-pallet.sh
index 3bc158075..70b808a5f 100755
--- a/eth-bridge/contracts/dev-scripts/setup-pallet.sh
+++ b/eth-bridge/contracts/dev-scripts/setup-pallet.sh
@@ -2,16 +2,15 @@
 
 set -exuo pipefail
 
-alice_api="polkadot-js-api --seed //Alice"
-
-cd "$(dirname "$0")/.."
+cd "$(dirname "$0")"
+. common.sh
 
 # make Bob a relay and watcher
-polkadot-js-api --seed "//Alice" tx.ethLLMBridge.addRelay 5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
-polkadot-js-api --seed "//Alice" tx.ethLLMBridge.addWatcher 5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
+$API_ALICE tx.ethLLMBridge.addRelay 5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
+$API_ALICE tx.ethLLMBridge.addWatcher 5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty
 
 # votes required = 1
-polkadot-js-api --seed "//Alice" tx.ethLLMBridge.setVotesRequired 1
+$API_ALICE tx.ethLLMBridge.setVotesRequired 1
 
 # start bridge
-polkadot-js-api --seed "//Alice" tx.ethLLMBridge.setState Active
+$API_ALICE tx.ethLLMBridge.setState Active
diff --git a/eth-bridge/contracts/dev-scripts/sub-to-eth.sh b/eth-bridge/contracts/dev-scripts/sub-to-eth.sh
index 3d3f10bc3..655cbff91 100755
--- a/eth-bridge/contracts/dev-scripts/sub-to-eth.sh
+++ b/eth-bridge/contracts/dev-scripts/sub-to-eth.sh
@@ -2,4 +2,7 @@
 
 set -exuo pipefail
 
-polkadot-js-api --seed "//Alice" tx.ethLLMBridge.deposit 1000000000000 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
+cd "$(dirname "$0")"
+. common.sh
+
+$API_ALICE tx.ethLLMBridge.deposit 10000000000000 $WALLET_ADDRESS
diff --git a/eth-bridge/contracts/dev-scripts/vote-eth.sh b/eth-bridge/contracts/dev-scripts/vote-eth.sh
new file mode 100755
index 000000000..7d8cac9b4
--- /dev/null
+++ b/eth-bridge/contracts/dev-scripts/vote-eth.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -exuo pipefail
+
+cd "$(dirname "$0")"
+. common.sh
+
+$CAST_LLM_BRIDGE 'voteMint(bytes32,uint64,uint256,address)' $1 1 1000000000000 $WALLET_ADDRESS 
+
diff --git a/eth-bridge/contracts/dev-scripts/vote-sub.sh b/eth-bridge/contracts/dev-scripts/vote-sub.sh
new file mode 100755
index 000000000..ab72885cc
--- /dev/null
+++ b/eth-bridge/contracts/dev-scripts/vote-sub.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -exuo pipefail
+
+cd "$(dirname "$0")"
+. common.sh
+
+polkadot-js-api --seed "//Bob" tx.ethLLMBridge.voteWithdraw $1 '{"eth_block_number": 1, "substrate_recipient": "0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d", "amount": 10}'