feat: add support to paseo

.papi/polkadot-api.json

@@ -33,6 +33,14 @@
     "rocAh": {
       "wsUrl": "wss://asset-hub-rococo-rpc.dwellir.com",
       "metadata": ".papi/metadata/rocAh.scale"
+    },
+    "pas": {
+      "chain": "paseo",
+      "metadata": ".papi/metadata/pas.scale"
+    },
+    "pasAh": {
+      "chain": "paseo_asset_hub",
+      "metadata": ".papi/metadata/pasAh.scale"
     }
   }
 }

src/api/chains.ts

@@ -2,9 +2,10 @@ import dot from "./dot"
 import ksm from "./ksm"
 import wnd from "./wnd"
 import roc from "./roc"
+import pas from "./pas"
 import { AssetId, AssetInChain, ChainId } from "./types"
 
-const assetsInChains = [...dot, ...ksm, ...wnd, ...roc]
+const assetsInChains = [...dot, ...ksm, ...wnd, ...roc, ...pas]
 
 export const chains = new Map<ChainId, Map<AssetId, AssetInChain>>()
 
@@ -20,6 +21,7 @@ export const ASSET_DECIMALS: Record<AssetId, number> = {
   KSM: 12,
   WND: 12,
   ROC: 12,
+  PAS: 10,
 }
 
 export const CHAIN_NAMES: Record<ChainId, string> = {
@@ -31,4 +33,6 @@ export const CHAIN_NAMES: Record<ChainId, string> = {
   wndAh: "Westend AssetHub",
   roc: "Rococo RelayChain",
   rocAh: "Rococo AssetHub",
+  pas: "Paseo RelayChain",
+  pasAh: "Paseo AssetHub",
 }

src/api/clients/index.ts

@@ -9,3 +9,6 @@ export { wndAhClient } from "./wndAh"
 
 export { rocClient } from "./roc"
 export { rocAhClient } from "./rocAh"
+
+export { pasClient } from "./pas"
+export { pasAhClient } from "./pasAh"

src/api/clients/pas.ts

@@ -0,0 +1,9 @@
+import { createClient } from "polkadot-api"
+import { getSmProvider } from "polkadot-api/sm-provider"
+import { smoldot } from "./smoldot"
+
+export const pasRelayChain = import("polkadot-api/chains/paseo").then(
+  ({ chainSpec }) => smoldot.addChain({ chainSpec }),
+)
+
+export const pasClient = createClient(getSmProvider(pasRelayChain))

src/api/clients/pasAh.ts

@@ -0,0 +1,13 @@
+import { createClient } from "polkadot-api"
+import { getSmProvider } from "polkadot-api/sm-provider"
+import { smoldot } from "./smoldot"
+import { pasRelayChain } from "./pas"
+
+const smoldotParaChain = Promise.all([
+  pasRelayChain,
+  import("polkadot-api/chains/paseo_asset_hub"),
+]).then(([relayChain, { chainSpec }]) =>
+  smoldot.addChain({ chainSpec, potentialRelayChains: [relayChain] }),
+)
+
+export const pasAhClient = createClient(getSmProvider(smoldotParaChain))

src/api/pas/ah.ts

@@ -0,0 +1,19 @@
+import { pasAh as descriptors } from "@polkadot-api/descriptors"
+import { pasAhClient } from "@/api/clients"
+import { AssetInChain } from "../types"
+import { fromAssetHubToRelay, watchAccoutFreeBalance } from "../common"
+
+const api = pasAhClient.getTypedApi(descriptors)
+
+const chain = "pasAh"
+const pas: AssetInChain = {
+  chain,
+  symbol: "PAS",
+  watchFreeBalance: watchAccoutFreeBalance(api),
+  teleport: {
+    pas: (...args) =>
+      api.tx.PolkadotXcm.limited_teleport_assets(fromAssetHubToRelay(...args)),
+  },
+}
+
+export default [pas]

src/api/pas/index.ts

@@ -0,0 +1,4 @@
+import relay from "./relay"
+import ah from "./ah"
+
+export default [...relay, ...ah]

src/api/pas/relay.ts

@@ -0,0 +1,18 @@
+import { pas as descriptors } from "@polkadot-api/descriptors"
+import { pasClient } from "@/api/clients"
+import { AssetInChain } from "../types"
+import { fromRelayToAssetHub, watchAccoutFreeBalance } from "../common"
+
+const api = pasClient.getTypedApi(descriptors)
+
+const pas: AssetInChain = {
+  chain: "pas",
+  symbol: "PAS",
+  watchFreeBalance: watchAccoutFreeBalance(api),
+  teleport: {
+    pasAh: (...args) =>
+      api.tx.XcmPallet.limited_teleport_assets(fromRelayToAssetHub(...args)),
+  },
+}
+
+export default [pas]

src/api/types.ts

@@ -10,7 +10,9 @@ export type ChainId =
   | "ksmAh"
   | "roc"
   | "rocAh"
-export type AssetId = "DOT" | "KSM" | "WND" | "ROC"
+  | "pas"
+  | "pasAh"
+export type AssetId = "DOT" | "KSM" | "WND" | "ROC" | "PAS"
 
 export type TeleportAsset = (
   from: PolkadotSigner,