spl: change "to" to "from" in token::burn

CHANGELOG.md

@@ -11,6 +11,10 @@ incremented for features.
 
 ## [Unreleased]
 
+### Breaking
+
+* spl: Change "to" to "from" in `token::burn` ([#161](https://github.com/project-serum/anchor/pull/1080)).
+
 ### Fixes
 
 * lang: Add `deprecated` attribute to `ProgramAccount` ([#1014](https://github.com/project-serum/anchor/pull/1014)).

spl/src/token.rs

@@ -64,7 +64,7 @@ pub fn burn<'a, 'b, 'c, 'info>(
 ) -> ProgramResult {
     let ix = spl_token::instruction::burn(
         &spl_token::ID,
-        ctx.accounts.to.key,
+        ctx.accounts.from.key,
         ctx.accounts.mint.key,
         ctx.accounts.authority.key,
         &[],
@@ -261,7 +261,7 @@ pub struct MintTo<'info> {
 #[derive(Accounts)]
 pub struct Burn<'info> {
     pub mint: AccountInfo<'info>,
-    pub to: AccountInfo<'info>,
+    pub from: AccountInfo<'info>,
     pub authority: AccountInfo<'info>,
 }
 

tests/spl/token-proxy/programs/token-proxy/src/lib.rs

@@ -71,7 +71,7 @@ pub struct ProxyBurn<'info> {
     #[account(mut)]
     pub mint: AccountInfo<'info>,
     #[account(mut)]
-    pub to: AccountInfo<'info>,
+    pub from: AccountInfo<'info>,
     pub token_program: AccountInfo<'info>,
 }
 
@@ -116,7 +116,7 @@ impl<'a, 'b, 'c, 'info> From<&mut ProxyBurn<'info>> for CpiContext<'a, 'b, 'c, '
     fn from(accounts: &mut ProxyBurn<'info>) -> CpiContext<'a, 'b, 'c, 'info, Burn<'info>> {
         let cpi_accounts = Burn {
             mint: accounts.mint.clone(),
-            to: accounts.to.clone(),
+            from: accounts.from.clone(),
             authority: accounts.authority.clone(),
         };
         let cpi_program = accounts.token_program.clone();