Merge pull request #14 from niftykit-inc/feature/maxAmount

Add maxAmount

Author: jcurbelo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dropkit.js",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "description": "NiftyKit.js SDK",
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",

src/DropKit.ts

@@ -36,6 +36,7 @@ export default class DropKit {
   contract: Contract = {} as Contract
   walletAddress?: string
   version: number
+  maxSupply?: number
   provider: Web3Provider = {} as Web3Provider
   signer: JsonRpcSigner = {} as JsonRpcSigner
   ethInstance: any
@@ -55,6 +56,7 @@ export default class DropKit {
     this.dev = isDev
     this.address = ''
     this.version = 0
+    this.maxSupply = 0
   }
 
   async init(providerOptions: IProviderOptions): Promise<DropApiResponse> {
@@ -83,6 +85,7 @@ export default class DropKit {
     this.version = data.version
     this.networkName = data.networkName
     this.chainId = data.chainId
+    this.maxSupply = data.version <= 3 ? data.maxAmount : 0
     const abi = abis[data.version || 1]
 
     const web3Modal = new Web3Modal({
@@ -139,6 +142,16 @@ export default class DropKit {
     return dropPrice
   }
 
+  async maxAmount(): Promise<number> {
+    if (this.version <= 3) {
+      return this.maxSupply || 0
+    }
+
+    const dropMaxAmount = await this.contract.maxAmount()
+
+    return dropMaxAmount.toNumber()
+  }
+
   async maxPerMint(): Promise<number> {
     const maxMint: BigNumber =
       this.version <= 3

src/types/api-responses.ts

@@ -8,6 +8,7 @@ export type DropApiResponse = {
   version: number
   chainId: number
   networkName: string
+  maxAmount?: number
 }
 
 export type ErrorApiResponse = {