lib/contracts/api/PlatformRegistry.js
/**
   * Get platform contract addess
   * @param {string} platformId
   */
Get platform contract addess
@param {string} platformId
Get platform contract addess @param { string } platformId
async platform(platformId) {
    return this.repository
      .api(Platform.contractName)
      .at(await this.contract.platform(this.cast.bytes32(platformId)));
  }
async platform ( platformId ) { return this . repository . api ( Platform . contractName ) . at ( await this . contract . platform ( this . cast . bytes32 ( platformId ) ) ) ; }
Get platform contract addess
 @param {string} platformId
Get platform contract addess @param { string } platformId