@@ -188,6 +188,10 @@ impl<'a> Iterator for TlvStream<'a> {
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#[ cfg( test) ]
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mod tests {
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use bitcoin:: hashes:: { Hash , sha256} ;
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+ use bitcoin:: secp256k1:: { KeyPair , Secp256k1 , SecretKey } ;
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+ use crate :: offers:: offer:: { Amount , OfferBuilder } ;
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+ use crate :: offers:: invoice_request:: InvoiceRequest ;
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+ use crate :: offers:: parse:: Bech32Encode ;
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#[ test]
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fn calculates_merkle_root_hash ( ) {
@@ -208,4 +212,51 @@ mod tests {
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sha256:: Hash :: from_slice( & hex:: decode( "ab2e79b1283b0b31e0b035258de23782df6b89a38cfa7237bde69aed1a658c5d" ) . unwrap( ) ) . unwrap( ) ,
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) ;
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}
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+
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+ #[ test]
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+ fn calculates_merkle_root_hash_from_invoice_request ( ) {
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+ let secp_ctx = Secp256k1 :: new ( ) ;
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+ let recipient_pubkey = {
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+ let secret_key = SecretKey :: from_slice ( & hex:: decode ( "4141414141414141414141414141414141414141414141414141414141414141" ) . unwrap ( ) ) . unwrap ( ) ;
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+ KeyPair :: from_secret_key ( & secp_ctx, & secret_key) . public_key ( )
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+ } ;
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+ let payer_keys = {
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+ let secret_key = SecretKey :: from_slice ( & hex:: decode ( "4242424242424242424242424242424242424242424242424242424242424242" ) . unwrap ( ) ) . unwrap ( ) ;
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+ KeyPair :: from_secret_key ( & secp_ctx, & secret_key)
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+ } ;
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+
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+ // BOLT 12 test vectors
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+ let invoice_request = OfferBuilder :: new ( "A Mathematical Treatise" . into ( ) , recipient_pubkey)
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+ . amount ( Amount :: Currency { iso4217_code : * b"USD" , amount : 100 } )
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+ . build_unchecked ( )
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+ . request_invoice ( payer_keys. public_key ( ) )
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+ . metadata ( vec ! [ 0 ; 8 ] )
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+ . build_unchecked ( )
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+ . sign ( |digest| secp_ctx. sign_schnorr_no_aux_rand ( digest, & payer_keys) )
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+ . unwrap ( ) ;
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+ assert_eq ! (
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+ invoice_request. to_string( ) ,
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+ "lnr1qqyqqqqqqqqqqqqqqcp4256ypqqkgzshgysy6ct5dpjk6ct5d93kzmpq23ex2ct5d9ek293pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpjkppqvjx204vgdzgsqpvcp4mldl3plscny0rt707gvpdh6ndydfacz43euzqhrurageg3n7kafgsek6gz3e9w52parv8gs2hlxzk95tzeswywffxlkeyhml0hh46kndmwf4m6xma3tkq2lu04qz3slje2rfthc89vss" ,
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+ ) ;
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+ assert_eq ! (
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+ super :: root_hash( & invoice_request. bytes[ ..] ) ,
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+ sha256:: Hash :: from_slice( & hex:: decode( "608407c18ad9a94d9ea2bcdbe170b6c20c462a7833a197621c916f78cf18e624" ) . unwrap( ) ) . unwrap( ) ,
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+ ) ;
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+ }
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+
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+ impl AsRef < [ u8 ] > for InvoiceRequest {
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+ fn as_ref ( & self ) -> & [ u8 ] {
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+ & self . bytes
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+ }
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+ }
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+
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+ impl Bech32Encode for InvoiceRequest {
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+ const BECH32_HRP : & ' static str = "lnr" ;
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+ }
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+
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+ impl core:: fmt:: Display for InvoiceRequest {
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+ fn fmt ( & self , f : & mut core:: fmt:: Formatter ) -> Result < ( ) , core:: fmt:: Error > {
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+ self . fmt_bech32_str ( f)
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+ }
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+ }
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}
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