chore: move proposer-private-key and safe-api-key to secrets in workflow inputs

Author: Le-Caignec

.github/workflows/safe-transaction.yml

@@ -1,12 +1,7 @@
 name: 'Safe Transaction Proposer'
-
 on:
   workflow_call:
     inputs:
-      proposer-private-key:
-        description: 'Private key of the proposer wallet'
-        required: true
-        type: string
       rpc-url:
         description: 'RPC URL for the blockchain network'
         required: true
@@ -19,10 +14,6 @@ on:
         description: 'Target address for the transaction'
         required: true
         type: string
-      safe-api-key:
-        description: 'Safe API key for transaction service'
-        required: true
-        type: string
       chain-id:
         description: 'Chain ID of the blockchain network (default: 42161 for Arbitrum)'
         required: false
@@ -38,6 +29,13 @@ on:
         required: false
         default: '0x'
         type: string
+    secrets:
+      proposer-private-key:
+        description: 'Private key of the proposer wallet'
+        required: true
+      safe-api-key:
+        description: 'Safe API key for transaction service'
+        required: true
     outputs:
       safe-tx-hash:
         description: 'Hash of the Safe transaction'
@@ -75,11 +73,11 @@ jobs:
         run: node dist/index.js
         working-directory: ./safe-transaction
         env:
-          INPUT_PROPOSER_PRIVATE_KEY: ${{ inputs.proposer-private-key }}
+          INPUT_PROPOSER_PRIVATE_KEY: ${{ secrets.proposer-private-key }}
+          INPUT_SAFE_API_KEY: ${{ secrets.safe-api-key }}
           INPUT_RPC_URL: ${{ inputs.rpc-url }}
           INPUT_SAFE_ADDRESS: ${{ inputs.safe-address }}
           INPUT_TARGET_ADDRESS: ${{ inputs.transaction-target-address }}
-          INPUT_SAFE_API_KEY: ${{ inputs.safe-api-key }}
           INPUT_CHAIN_ID: ${{ inputs.chain-id }}
           INPUT_TRANSACTION_VALUE: ${{ inputs.transaction-value }}
           INPUT_TRANSACTION_DATA: ${{ inputs.transaction-data }}