Feat/gasless

app/src/main/java/one/mixin/android/api/request/web3/GaslessFeeRequest.kt

@@ -0,0 +1,12 @@
+package one.mixin.android.api.request.web3
+
+import com.google.gson.annotations.SerializedName
+
+data class GaslessFeeRequest(
+    val from: String,
+    val to: String,
+    @SerializedName("asset_id")
+    val assetId: String,
+    @SerializedName("chain_id")
+    val chainId: String,
+)

app/src/main/java/one/mixin/android/api/request/web3/GaslessTxRequest.kt

@@ -0,0 +1,15 @@
+package one.mixin.android.api.request.web3
+
+import com.google.gson.annotations.SerializedName
+
+data class GaslessTxRequest(
+    val from: String,
+    val to: String,
+    @SerializedName("asset_id")
+    val assetId: String,
+    val amount: String,
+    @SerializedName("fee_asset_id")
+    val feeAssetId: String,
+    @SerializedName("chain_id")
+    val chainId: String,
+)

app/src/main/java/one/mixin/android/api/request/web3/SubmitGaslessTxRequest.kt

@@ -0,0 +1,14 @@
+package one.mixin.android.api.request.web3
+
+import com.google.gson.JsonElement
+import com.google.gson.annotations.SerializedName
+
+data class SubmitGaslessTxRequest(
+    @SerializedName("chain_id")
+    val chainId: String,
+    val payload: JsonElement,
+    @SerializedName("user_op_signature")
+    val userOpSignature: String,
+    @SerializedName("eip7702_auth_signature")
+    val eip7702AuthSignature: String? = null,
+)

app/src/main/java/one/mixin/android/api/response/web3/GaslessFeeResponse.kt

@@ -0,0 +1,13 @@
+package one.mixin.android.api.response.web3
+
+import com.google.gson.annotations.SerializedName
+
+data class GaslessFeeResponse(
+    val fees: List<GaslessFeeEstimate>,
+)
+
+data class GaslessFeeEstimate(
+    @SerializedName("asset_id")
+    val assetId: String,
+    val amount: String,
+)

app/src/main/java/one/mixin/android/api/response/web3/GaslessSponsorTransactionResponse.kt

@@ -0,0 +1,34 @@
+package one.mixin.android.api.response.web3
+
+import com.google.gson.annotations.SerializedName
+import one.mixin.android.db.web3.vo.TransactionStatus
+
+data class GaslessSponsorTransactionResponse(
+    @SerializedName("sponsor_tx_id")
+    val sponsorTxId: String,
+    @SerializedName("chain_id")
+    val chainId: String,
+    val account: String,
+    @SerializedName("web3_chain_id")
+    val web3ChainId: Int,
+    val state: String,
+    @SerializedName("broadcast_tx_hash")
+    val broadcastTxHash: String? = null,
+    val reason: String? = null,
+    @SerializedName("created_at")
+    val createdAt: String,
+    @SerializedName("updated_at")
+    val updatedAt: String,
+)
+
+fun GaslessSponsorTransactionResponse.hasBroadcastTxHash(): Boolean =
+    !broadcastTxHash.isNullOrBlank()
+
+fun GaslessSponsorTransactionResponse.toPendingStatusOrNull(): String? {
+    if (hasBroadcastTxHash()) return TransactionStatus.PENDING.value
+    if (!reason.isNullOrBlank()) return TransactionStatus.FAILED.value
+    return when (state.lowercase()) {
+        "failed", "rejected", "cancelled", "canceled", "expired" -> TransactionStatus.FAILED.value
+        else -> null
+    }
+}

app/src/main/java/one/mixin/android/api/response/web3/GaslessTxResponse.kt

@@ -0,0 +1,49 @@
+package one.mixin.android.api.response.web3
+
+import com.google.gson.JsonElement
+import com.google.gson.annotations.SerializedName
+
+data class GaslessTxResponse(
+    @SerializedName("chain_id")
+    val chainId: String,
+    val payload: JsonElement,
+)
+
+data class EthGaslessTxPayload(
+    val userOperation: UserOperationJson,
+    val signing: EthGaslessSignRequests,
+)
+
+data class UserOperationJson(
+    val sender: String,
+    val nonce: String,
+    val initCode: String,
+    val callData: String,
+    val callGasLimit: String,
+    val verificationGasLimit: String,
+    val preVerificationGas: String,
+    val maxFeePerGas: String,
+    val maxPriorityFeePerGas: String,
+    val paymasterAndData: String,
+    val signature: String,
+)
+
+data class EthGaslessSignRequests(
+    val userOperation: UserOpSignRequest,
+    val eip7702Auth: EIP7702SignRequest? = null,
+)
+
+data class UserOpSignRequest(
+    val signType: String,
+    val message: String,
+)
+
+data class EIP7702SignRequest(
+    val required: Boolean,
+    val signType: String,
+    val message: String,
+    @SerializedName("chainId")
+    val chainId: String,
+    val address: String,
+    val nonce: String,
+)

app/src/main/java/one/mixin/android/api/response/web3/SubmitGaslessTxResponse.kt

@@ -0,0 +1,8 @@
+package one.mixin.android.api.response.web3
+
+import com.google.gson.annotations.SerializedName
+
+data class SubmitGaslessTxResponse(
+    @SerializedName("sponsor_tx_id")
+    val sponsorTxId: String,
+)

app/src/main/java/one/mixin/android/api/service/RouteService.kt

@@ -11,8 +11,11 @@ import one.mixin.android.api.request.RouteTickerRequest
 import one.mixin.android.api.request.RouteTokenRequest
 import one.mixin.android.api.request.web3.EstimateFeeRequest
 import one.mixin.android.api.request.web3.EstimateFeeResponse
+import one.mixin.android.api.request.web3.GaslessFeeRequest
+import one.mixin.android.api.request.web3.GaslessTxRequest
 import one.mixin.android.api.request.web3.RpcRequest
 import one.mixin.android.api.request.web3.StakeRequest
+import one.mixin.android.api.request.web3.SubmitGaslessTxRequest
 import one.mixin.android.api.request.web3.SwapRequest
 import one.mixin.android.api.request.web3.WalletRequest
 import one.mixin.android.api.request.web3.Web3RawTransactionRequest
@@ -24,12 +27,16 @@ import one.mixin.android.api.response.RouteTickerResponse
 import one.mixin.android.api.response.UserAddressView
 import one.mixin.android.api.response.web3.ParsedTx
 import one.mixin.android.api.response.web3.QuoteResult
+import one.mixin.android.api.response.web3.GaslessFeeResponse
+import one.mixin.android.api.response.web3.GaslessSponsorTransactionResponse
 import one.mixin.android.api.response.web3.StakeAccount
 import one.mixin.android.api.response.web3.StakeAccountActivation
 import one.mixin.android.api.response.web3.StakeResponse
+import one.mixin.android.api.response.web3.SubmitGaslessTxResponse
 import one.mixin.android.api.response.web3.SwapResponse
 import one.mixin.android.api.response.web3.SwapToken
 import one.mixin.android.api.response.web3.Tx
+import one.mixin.android.api.response.web3.GaslessTxResponse
 import one.mixin.android.api.response.web3.Validator
 import one.mixin.android.api.response.web3.WalletOutput
 import one.mixin.android.db.web3.vo.Web3Address
@@ -271,6 +278,26 @@ interface RouteService {
         @Body request: EstimateFeeRequest,
     ): MixinResponse<EstimateFeeResponse>
 
+    @POST("web3/gasless/fees")
+    suspend fun gaslessFee(
+        @Body request: GaslessFeeRequest,
+    ): MixinResponse<GaslessFeeResponse>
+
+    @POST("web3/gasless/prepare")
+    suspend fun gaslessTx(
+        @Body request: GaslessTxRequest,
+    ): MixinResponse<GaslessTxResponse>
+
+    @POST("web3/gasless/submit")
+    suspend fun submitGaslessTx(
+        @Body request: SubmitGaslessTxRequest,
+    ): MixinResponse<SubmitGaslessTxResponse>
+
+    @GET("web3/gasless/transactions/{id}")
+    suspend fun gaslessTransaction(
+        @Path("id") id: String,
+    ): MixinResponse<GaslessSponsorTransactionResponse>
+
     @POST("web3/rpc")
     suspend fun rpc(
         @Query("chain_id") chainId: String,

app/src/main/java/one/mixin/android/db/web3/Web3RawTransactionDao.kt

@@ -20,6 +20,9 @@ interface Web3RawTransactionDao : BaseDao<Web3RawTransaction> {
     @Query("SELECT * FROM raw_transactions WHERE hash = :hash AND chain_id = :chainId AND account IN (SELECT DISTINCT destination FROM addresses WHERE wallet_id = :walletId)")
     suspend fun getRawTransactionByHashAndChain(walletId:String, hash: String, chainId: String): Web3RawTransaction?
 
-    @Query("SELECT nonce FROM raw_transactions WHERE chain_id = :chainId AND state = 'pending' AND account IN (SELECT DISTINCT destination FROM addresses WHERE wallet_id = :walletId) ORDER BY nonce DESC LIMIT 1")
+    @Query("DELETE FROM raw_transactions WHERE hash = :hash AND chain_id = :chainId")
+    suspend fun deleteByHashAndChain(hash: String, chainId: String)
+
+    @Query("SELECT nonce FROM raw_transactions WHERE chain_id = :chainId AND state = 'pending' AND raw NOT LIKE 'gasless:%' AND account IN (SELECT DISTINCT destination FROM addresses WHERE wallet_id = :walletId) ORDER BY nonce DESC LIMIT 1")
     suspend fun getNonce(walletId:String, chainId: String): String?
 }

app/src/main/java/one/mixin/android/db/web3/vo/Web3RawTransaction.kt

@@ -44,4 +44,19 @@ data class Web3RawTransaction(
     @Ignore
     @SerializedName("simulate_tx")
     var simulateTx: ParsedTx? = null
-}
+}
+
+private const val GASLESS_PENDING_SPONSOR_PREFIX = "gasless:sponsor:"
+private const val GASLESS_PENDING_BROADCAST_PREFIX = "gasless:broadcast:"
+
+fun Web3RawTransaction.isGaslessPending(): Boolean =
+    raw.startsWith(GASLESS_PENDING_SPONSOR_PREFIX) || raw.startsWith(GASLESS_PENDING_BROADCAST_PREFIX)
+
+fun Web3RawTransaction.isGaslessSponsorPending(): Boolean =
+    raw.startsWith(GASLESS_PENDING_SPONSOR_PREFIX)
+
+fun buildGaslessSponsorPendingRawMarker(sponsorTxId: String): String =
+    "$GASLESS_PENDING_SPONSOR_PREFIX$sponsorTxId"
+
+fun buildGaslessBroadcastPendingRawMarker(broadcastTxHash: String): String =
+    "$GASLESS_PENDING_BROADCAST_PREFIX$broadcastTxHash"