Transaction

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Q!ÆÀ»ÓýÊÁÃh•±æy|• ,5æ~ì±Ýt¼ÿõ³|Q®M”{"__cls":"class VaccineToken {\n constructor(\n to,\n redemptionKey,\n supply,\n name,\n previousOwners,\n providersListId\n ) {\n this.contractTypeID = \"393f0d5f-c3bb-4871-b9fb-b47f4b7ababf\";\n this.contractTypeName = \"VaccineToken\";\n this.contractTypeVersion = \"0.0.1\";\n this.coins = supply;\n this._owners = [to];\n this.name = name;\n this.providersListId = providersListId;\n this.previousOwners = previousOwners;\n this.redemptionKey = redemptionKey;\n }\n\n send(amount, to) {\n if (this.coins < amount) throw new Error(\"Insufficient Token Count.\");\n this.coins -= amount;\n let prevOwners = [...this.previousOwners, to];\n return new VaccineToken(\n to,\n this.redemptionKey,\n amount,\n this.name,\n prevOwners,\n this.providersListId\n );\n }\n\n returnToken(to){\n this._owners = [to];\n }\n}"}u