From b116a2eeb8e1bc655218da3f772613812fb00c93 Mon Sep 17 00:00:00 2001
From: Jon Tzeng <jon@edge.app>
Date: Mon, 23 Dec 2024 17:32:40 -0800
Subject: [PATCH] Enforce "dust_thresholds"
 https://dev.thorchain.org/saving-guide/quickstart-guide.html#3-send-memoless-savers-transactions

---
 CHANGELOG.md                                        |  2 ++
 src/components/scenes/Staking/StakeModifyScene.tsx  |  4 ++--
 .../stake-plugins/thorchainSavers/tcSaversPlugin.ts | 13 +++++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe47821a0a2..b0a64968d11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased (develop)
 
+- fixed: Thorchain stake minimum amount requirements
+
 ## 4.20.0 (staging)
 
 - added: 'numAccounts' to 'Signup_Complete' event
diff --git a/src/components/scenes/Staking/StakeModifyScene.tsx b/src/components/scenes/Staking/StakeModifyScene.tsx
index fbc02998038..cf12e0475cc 100644
--- a/src/components/scenes/Staking/StakeModifyScene.tsx
+++ b/src/components/scenes/Staking/StakeModifyScene.tsx
@@ -1,5 +1,5 @@
 import { eq, gt, toFixed } from 'biggystring'
-import { EdgeCurrencyWallet, EdgeTokenId, InsufficientFundsError } from 'edge-core-js'
+import { DustSpendError, EdgeCurrencyWallet, EdgeTokenId, InsufficientFundsError } from 'edge-core-js'
 import * as React from 'react'
 import { Image, View } from 'react-native'
 import { sprintf } from 'sprintf-js'
@@ -172,7 +172,7 @@ const StakeModifySceneComponent = (props: Props) => {
             setErrorMessage(errMessage)
           } else if (err instanceof InsufficientFundsError) {
             setErrorMessage(lstrings.exchange_insufficient_funds_title)
-          } else if (err instanceof HumanFriendlyError) {
+          } else if (err instanceof HumanFriendlyError || err instanceof DustSpendError) {
             setErrorMessage(err.message)
           } else {
             showError(err)
diff --git a/src/plugins/stake-plugins/thorchainSavers/tcSaversPlugin.ts b/src/plugins/stake-plugins/thorchainSavers/tcSaversPlugin.ts
index 9b344737c05..036e3ad224c 100644
--- a/src/plugins/stake-plugins/thorchainSavers/tcSaversPlugin.ts
+++ b/src/plugins/stake-plugins/thorchainSavers/tcSaversPlugin.ts
@@ -122,6 +122,15 @@ const tcChainCodePluginIdMap: StringMap = {
   LTC: 'litecoin'
 }
 
+const DUST_THRESHOLDS: StringMap = {
+  AVAX: '0',
+  BTC: '10000',
+  BCH: '10000',
+  DOGE: '100000000',
+  ETH: '0',
+  LTC: '10000'
+}
+
 const asThorNodePool = asObject({
   asset: asString, // "AVAX.AVAX",
   // short_code: asString, // "a",
@@ -440,6 +449,10 @@ const stakeRequest = async (opts: EdgeGuiPluginOptions, request: ChangeQuoteRequ
     throw new InsufficientFundsError({ tokenId })
   }
 
+  if (lt(nativeAmount, DUST_THRESHOLDS[currencyCode])) {
+    throw new StakeBelowLimitError(request, currencyCode)
+  }
+
   await updateInboundAddresses(opts)
 
   const { primaryAddress, parentBalance, addressBalance } = await getPrimaryAddress(account, wallet, currencyCode)