chore(backend): Remove signing apis

Cargo.toml

@@ -24,6 +24,5 @@ k256 = "0.13"
 lazy_static = "1.5.0"
 pocket-ic = "2.2.0"
 pretty_assertions = "1.4.0"
-bitcoin = "0.32.2"
 strum = "0.26.3"
 strum_macros = "0.26.4"

scripts/test.backend.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 POCKET_IC_SERVER_VERSION=3.0.1
-OISY_UPGRADE_VERSIONS="v0.0.13,v0.0.19,v0.0.25"
+OISY_UPGRADE_VERSIONS="v0.0.13,v0.0.19"
 
 # If a backend wasm file exists at the root, it will be used for the tests.
 

src/backend/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-bitcoin = { workspace = true }
 candid = { workspace = true }
 ethers-core = { workspace = true }
 futures = { workspace = true }

src/backend/backend.did

@@ -13,7 +13,6 @@ type AddUserCredentialRequest = record {
 type ApiEnabled = variant { ReadOnly; Enabled; Disabled };
 type Arg = variant { Upgrade; Init : InitArg };
 type ArgumentValue = variant { Int : int32; String : text };
-type BitcoinNetwork = variant { mainnet; regtest; testnet };
 type CanisterStatusResultV2 = record {
   controller : principal;
   status : CanisterStatusType;
@@ -114,16 +113,6 @@ type Result = variant { Ok; Err : AddUserCredentialError };
 type Result_1 = variant { Ok : UserProfile; Err : GetUserProfileError };
 type Result_2 = variant { Ok : MigrationReport; Err : text };
 type Result_3 = variant { Ok; Err : text };
-type SignRequest = record {
-  to : text;
-  gas : nat;
-  value : nat;
-  max_priority_fee_per_gas : nat;
-  data : opt text;
-  max_fee_per_gas : nat;
-  chain_id : nat;
-  nonce : nat;
-};
 type Stats = record {
   user_profile_count : nat64;
   custom_token_count : nat64;
@@ -161,11 +150,8 @@ type UserTokenId = record { chain_id : nat64; contract_address : text };
 service : (Arg) -> {
   add_user_credential : (AddUserCredentialRequest) -> (Result);
   bulk_up : (blob) -> ();
-  caller_btc_address : (BitcoinNetwork) -> (text);
-  caller_eth_address : () -> (text);
   config : () -> (Config) query;
   create_user_profile : () -> (UserProfile);
-  eth_address_of : (principal) -> (text);
   get_canister_status : () -> (CanisterStatusResultV2);
   get_user_profile : () -> (Result_1) query;
   http_request : (HttpRequest) -> (HttpResponse) query;
@@ -175,15 +161,12 @@ service : (Arg) -> {
   migrate_user_data_to : (principal) -> (Result_2);
   migration : () -> (opt MigrationReport) query;
   migration_stop_timer : () -> (Result_3);
-  personal_sign : (text) -> (text);
   remove_user_token : (UserTokenId) -> ();
   set_custom_token : (CustomToken) -> ();
   set_guards : (Guards) -> ();
   set_many_custom_tokens : (vec CustomToken) -> ();
   set_many_user_tokens : (vec UserToken) -> ();
   set_user_token : (UserToken) -> ();
-  sign_prehash : (text) -> (text);
-  sign_transaction : (SignRequest) -> (text);
   stats : () -> (Stats) query;
   step_migration : () -> ();
 }

src/backend/src/guards.rs

@@ -39,28 +39,3 @@ pub fn may_read_user_data() -> Result<(), String> {
         Err("User data cannot be read at this time due to a migration.".to_string())
     }
 }
-
-/// Is getting threshold public keys is enabled?
-pub fn may_read_threshold_keys() -> Result<(), String> {
-    caller_is_not_anonymous()?;
-    if read_config(|s| s.api.unwrap_or_default().threshold_key.readable()) {
-        Ok(())
-    } else {
-        Err("Reading threshold keys is disabled.".to_string())
-    }
-}
-/// Caller is allowed AND reading threshold keys is enabled.
-pub fn caller_is_allowed_and_may_read_threshold_keys() -> Result<(), String> {
-    caller_is_allowed()?;
-    may_read_threshold_keys()
-}
-
-/// Is signing with threshold keys is enabled?
-pub fn may_threshold_sign() -> Result<(), String> {
-    caller_is_not_anonymous()?;
-    if read_config(|s| s.api.unwrap_or_default().threshold_key.writable()) {
-        Ok(())
-    } else {
-        Err("Threshold signing is disabled.".to_string())
-    }
-}