anchor/assets/js/20.50564768.js

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(window.webpackJsonp=window.webpackJsonp||[]).push([[20],{413:function(t,a,s){"use strict";s.r(a);var n=s(29),e=Object(n.a)({},(function(){var t=this,a=t.$createElement,s=t._self._c||a;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"cross-program-invocations-cpi"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#cross-program-invocations-cpi"}},[t._v("#")]),t._v(" Cross Program Invocations (CPI)")]),t._v(" "),s("p",[t._v("This tutorial covers how to call one program from another, a process known as\n"),s("em",[t._v("cross-program-invocation")]),t._v(" (CPI).")]),t._v(" "),s("h2",{attrs:{id:"clone-the-repo"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#clone-the-repo"}},[t._v("#")]),t._v(" Clone the Repo")]),t._v(" "),s("p",[t._v("To get started, clone the repo.")]),t._v(" "),s("div",{staticClass:"language-bash extra-class"},[s("pre",{pre:!0,attrs:{class:"language-bash"}},[s("code",[s("span",{pre:!0,attrs:{class:"token function"}},[t._v("git")]),t._v(" clone https://github.com/project-serum/anchor\n")])])]),s("p",[t._v("Change directories to the "),s("a",{attrs:{href:"https://github.com/project-serum/anchor/tree/master/examples/tutorial/basic-3",target:"_blank",rel:"noopener noreferrer"}},[t._v("example"),s("OutboundLink")],1),t._v(".")]),t._v(" "),s("div",{staticClass:"language-bash extra-class"},[s("pre",{pre:!0,attrs:{class:"language-bash"}},[s("code",[s("span",{pre:!0,attrs:{class:"token builtin class-name"}},[t._v("cd")]),t._v(" anchor/examples/tutorial/basic-3\n")])])]),s("p",[t._v("And install any additional JavaScript dependencies:")]),t._v(" "),s("div",{staticClass:"language-bash extra-class"},[s("pre",{pre:!0,attrs:{class:"language-bash"}},[s("code",[s("span",{pre:!0,attrs:{class:"token function"}},[t._v("yarn")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("install")]),t._v("\n")])])]),s("h2",{attrs:{id:"defining-a-puppet-program"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#defining-a-puppet-program"}},[t._v("#")]),t._v(" Defining a Puppet Program")]),t._v(" "),s("p",[t._v("We start with the program that will be called by another program, the puppet.")]),t._v(" "),s("div",{staticClass:"language-rs extra-class"},[s("pre",{pre:!0,attrs:{class:"language-rs"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("use")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("anchor_lang"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),t._v("prelude"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")])]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token macro property"}},[t._v("declare_id!")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"')]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\n"),s("span",{pre:!0,attrs:{class:"token attribute attr-name"}},[t._v("#[program]")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("pub")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("mod")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token module-declaration namespace"}},[t._v("puppet")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("use")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("super")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("pub")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("fn")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token function-definition functio