diff --git a/src/ecosys/definition.yml b/src/ecosys/definition.yml
index a5d65dc..e9d1078 100644
--- a/src/ecosys/definition.yml
+++ b/src/ecosys/definition.yml
@@ -43,3 +43,8 @@ features:
   approve:
     disable:
       - ring
+
+safepin:
+  46: # darwinia
+    safeTxGas: 613599
+    gasPrice: 154000000000
diff --git a/src/ecosys/safe.js b/src/ecosys/safe.js
index 5d5f796..563f7db 100644
--- a/src/ecosys/safe.js
+++ b/src/ecosys/safe.js
@@ -80,11 +80,13 @@ async function initSafe(options) {
 }
 
 
-export async function propose(options = {safeSdk, safeService, transactions, safeAddress, senderAddress}) {
-  const {safeSdk, safeService, transactions, safeAddress, senderAddress} = options;
+export async function propose(options = {definition, safeSdk, safeService, transactions, safeAddress, senderAddress}) {
+  const {definition, safeSdk, safeService, transactions, safeAddress, senderAddress} = options;
   const chainId = await safeSdk.getChainId();
   const remoteNonce = await safeSdk.getNonce();
 
+  const safepin = definition.safepin[chainId];
+
   let nonce;
   if (cachedNonce[chainId]) {
     const cnonce = cachedNonce[chainId];
@@ -93,11 +95,13 @@ export async function propose(options = {safeSdk, safeService, transactions, saf
     nonce = remoteNonce;
   }
 
+  let createTransactionOptions = { nonce };
+  if (safepin) {
+    createTransactionOptions = {...createTransactionOptions, ...safepin};
+  }
   const safeTransaction = await safeSdk.createTransaction({
     transactions,
-    options: {
-      nonce,
-    },
+    options: createTransactionOptions,
   });
   const safeTxHash = await safeSdk.getTransactionHash(safeTransaction);
   const senderSignature = await safeSdk.signTransaction(safeTransaction);
diff --git a/src/register/lnv2_default.js b/src/register/lnv2_default.js
index 1e51d79..255e155 100644
--- a/src/register/lnv2_default.js
+++ b/src/register/lnv2_default.js
@@ -193,6 +193,7 @@ async function registerWithSafe(options, callOptions) {
 
   if (p0Transactions.length) {
     const p0 = await safe.propose({
+      definition,
       safeSdk: targetSafeSdk,
       safeService: targetSafeService,
       safeAddress: register.safeWalletAddress,
@@ -225,6 +226,7 @@ async function registerWithSafe(options, callOptions) {
   }
 
   const p1 = await safe.propose({
+    definition,
     safeSdk: sourceSafeSdk,
     safeService: sourceSafeService,
     safeAddress: register.safeWalletAddress,
diff --git a/src/register/lnv2_opposite.js b/src/register/lnv2_opposite.js
index 7526be2..6e9fd61 100644
--- a/src/register/lnv2_opposite.js
+++ b/src/register/lnv2_opposite.js
@@ -134,6 +134,7 @@ async function registerWithSafe(options, callOptions) {
 
   if (p0Transactions.length) {
     const p0 = await safe.propose({
+      definition,
       safeSdk: targetSafeSdk,
       safeService: targetSafeService,
       safeAddress: register.safeWalletAddress,
@@ -150,6 +151,7 @@ async function registerWithSafe(options, callOptions) {
   }
 
   const p1 = await safe.propose({
+    definition,
     safeSdk: sourceSafeSdk,
     safeService: sourceSafeService,
     safeAddress: register.safeWalletAddress,
diff --git a/src/register/lnv3.js b/src/register/lnv3.js
index 806dad9..7108956 100644
--- a/src/register/lnv3.js
+++ b/src/register/lnv3.js
@@ -178,6 +178,7 @@ async function registerWithSafe(options, callOptions) {
   }
 
   const p0 = await safe.propose({
+    definition,
     safeSdk: sourceSafeSdk,
     safeService: sourceSafeService,
     safeAddress: register.safeWalletAddress,