Merge pull request #697 from massalabs/695-add-wmas-token-address--wr…

…apper

695 add wmas token address  wrapper

src/contracts-wrappers/token.ts

@@ -22,29 +22,58 @@ import { CallSCOptions, ReadSCOptions, SmartContract } from '../smartContracts'
  */
 
 export class MRC20 extends SmartContract {
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  private _version: string
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  private _name: string
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  private _symbol: string
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  private _decimals: number
+
   async version(options?: ReadSCOptions): Promise<string> {
+    if (this._version) {
+      return this._version
+    }
     const res = await this.read('version', undefined, options)
-    return bytesToStr(res.value)
+    return (this._version = bytesToStr(res.value))
   }
 
-  async name(options?: ReadSCOptions): Promise<string> {
-    const res = await this.read('name', undefined, options)
-    return bytesToStr(res.value)
+  async name(): Promise<string> {
+    if (this._name) {
+      return this._name
+    }
+    const res = await this.provider.readStorage(this.address, ['NAME'], true)
+    return (this._name = bytesToStr(res[0]))
   }
 
-  async symbol(options?: ReadSCOptions): Promise<string> {
-    const res = await this.read('symbol', undefined, options)
-    return bytesToStr(res.value)
+  async symbol(): Promise<string> {
+    if (this._symbol) {
+      return this._symbol
+    }
+    const res = await this.provider.readStorage(this.address, ['SYMBOL'], true)
+    return (this._symbol = bytesToStr(res[0]))
   }
 
-  async decimals(options?: ReadSCOptions): Promise<number> {
-    const res = await this.read('decimals', undefined, options)
-    return Number(U8.fromBytes(res.value))
+  async decimals(): Promise<number> {
+    if (this._decimals) {
+      return this._decimals
+    }
+    const res = await this.provider.readStorage(
+      this.address,
+      ['DECIMALS'],
+      true
+    )
+    return (this._decimals = Number(U8.fromBytes(res[0])))
   }
 
-  async totalSupply(options?: ReadSCOptions): Promise<bigint> {
-    const res = await this.read('totalSupply', undefined, options)
-    return U256.fromBytes(res.value)
+  async totalSupply(final = true): Promise<bigint> {
+    const res = await this.provider.readStorage(
+      this.address,
+      ['TOTAL_SUPPLY'],
+      final
+    )
+    return U256.fromBytes(res[0])
   }
 
   async balanceOf(address: string, options?: ReadSCOptions): Promise<bigint> {

src/contracts-wrappers/tokens.ts

@@ -10,6 +10,7 @@ export const MAINNET_TOKENS = {
   WETHe: 'AS124vf3YfAJCSCQVYKczzuWWpXrximFpbTmX4rheLs5uNSftiiRY',
   WETHb: 'AS125oPLYRTtfVjpWisPZVTLjBhCFfQ1jDsi75XNtRm1NZux54eCj',
   PUR: 'AS133eqPPaPttJ6hJnk3sfoG5cjFFqBDi1VGxdo2wzWkq8AfZnan',
+  WMAS: 'AS12U4TZfNK7qoLyEERBBRDMu8nm5MKoRzPXDXans4v9wdATZedz9',
 }
 
 export const BUILDNET_TOKENS = {
@@ -18,6 +19,7 @@ export const BUILDNET_TOKENS = {
   USDCs: 'AS12k8viVmqPtRuXzCm6rKXjLgpQWqbuMjc37YHhB452KSUUb9FgL',
   USDTbt: 'AS12ix1Qfpue7BB8q6mWVtjNdNE9UV3x4MaUo7WhdUubov8sJ3CuP',
   WETHbt: 'AS12RmCXTA9NZaTBUBnRJuH66AGNmtEfEoqXKxLdmrTybS6GFJPFs',
+  WMAS: 'AS12FW5Rs5YN2zdpEnqwj4iHUUPt9R4Eqjq2qtpJFNKW3mn33RuLU',
 }
 
 export function checkNetwork(provider: Provider, isMainnet: boolean): void {
@@ -74,6 +76,13 @@ export class PUR extends MRC20 {
   }
 }
 
+export class WMAS extends MRC20 {
+  constructor(public provider: Provider) {
+    checkNetwork(provider, true)
+    super(provider, MAINNET_TOKENS.WMAS)
+  }
+}
+
 ///////////////// BUILDNET TOKENS //////////////////////
 
 export class DAIs extends MRC20 {
@@ -110,3 +119,10 @@ export class WETHbt extends MRC20 {
     super(provider, BUILDNET_TOKENS.WETHbt)
   }
 }
+
+export class WMASBuildnet extends MRC20 {
+  constructor(public provider: Provider) {
+    checkNetwork(provider, false)
+    super(provider, BUILDNET_TOKENS.WMAS)
+  }
+}