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Updated on 2026-08-14

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Tangem 2025-12-30 10:56:55 +03:00
commit cc3401a412
943 changed files with 15667 additions and 6451 deletions
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13
libs/crypto/src/main/java/com/tangem/lib/crypto/derivation/AccountNodeRecognizer.kt
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@ -28,7 +28,7 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
// region Ethereum-like blockchains
blockchain == Blockchain.Tezos -> ACCOUNT_NODE_INDEX
blockchain == Blockchain.Quai -> ACCOUNT_NODE_INDEX
blockchain.isEvm() -> ADDRESS_INDEX_NODE_INDEX
blockchain.isEvm() && derivationPath.isEthDerivation() -> ADDRESS_INDEX_NODE_INDEX
// endregion
blockchain.isUTXO -> ACCOUNT_NODE_INDEX
else -> ACCOUNT_NODE_INDEX
@ -75,6 +75,13 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
.getOrNull()
}
private fun DerivationPath.isEthDerivation(): Boolean {
fun getIndex(nodeIndex: Int) = nodes.getOrNull(nodeIndex)?.getIndex(false)
return getIndex(FIRST_NODE_INDEX) == ETH_FIRST_NODE_VALUE &&
getIndex(SECOND_NODE_INDEX) == ETH_SECOND_NODE_VALUE
}
@Suppress("LongMethod")
private fun Blockchain.isAccountsSupported(): Boolean {
return when (this) {
@ -253,5 +260,9 @@ class AccountNodeRecognizer(private val blockchain: Blockchain) {
private companion object {
const val ACCOUNT_NODE_INDEX = 2
const val ADDRESS_INDEX_NODE_INDEX = 4
const val FIRST_NODE_INDEX = 0
const val ETH_FIRST_NODE_VALUE = 44L
const val SECOND_NODE_INDEX = 1
const val ETH_SECOND_NODE_VALUE = 60L
}
}