GiftedHacker/tangem-app-android-audited
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Updated on 2026-08-14

Browse source
This commit is contained in:
Tangem 2025-11-20 17:25:27 +04:00
parent e3b857b79a
commit 02e44033c9
18 changed files with 266 additions and 316 deletions
Download patch file Download diff file Expand all files Collapse all files

21
libs/crypto/src/main/java/com/tangem/lib/crypto/derivation/AccountNodeRecognizer.kt
View file

@ -25,17 +25,15 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
val nodesCount = derivationPath.nodes.size
val index = when {
blockchain == Blockchain.Tezos -> {
UTXO_BLOCKCHAIN_NODE_INDEX.takeIf { nodesCount == 4 }
}
blockchain == Blockchain.Quai || blockchain.isUTXO -> {
UTXO_BLOCKCHAIN_NODE_INDEX.takeIf { nodesCount == 5 }
}
!blockchain.isUTXO -> {
(nodesCount - 1).takeIf { nodesCount == 3 || nodesCount == 5 }
}
else -> null
// region Ethereum-like blockchains
blockchain == Blockchain.Tezos -> ACCOUNT_NODE_INDEX
blockchain == Blockchain.Quai -> ACCOUNT_NODE_INDEX
blockchain.isEvm() -> ADDRESS_INDEX_NODE_INDEX
// endregion
blockchain.isUTXO -> ACCOUNT_NODE_INDEX
else -> ACCOUNT_NODE_INDEX
}
.takeIf { nodesCount >= it }
if (index == null) {
Timber.e("Cannot determine account node index for ${blockchain.fullName}: ${derivationPath.rawPath}")
@ -251,6 +249,7 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
}
private companion object {
const val UTXO_BLOCKCHAIN_NODE_INDEX = 2
const val ACCOUNT_NODE_INDEX = 2
const val ADDRESS_INDEX_NODE_INDEX = 4
}
}