fix: add take to powers of tau iterator to prevent infinite allocation

Signed-off-by: Brandon H. Gomes <bhgomes@pm.me>

manta-accounting/Cargo.toml

@@ -54,7 +54,7 @@ test = [
 
 [dependencies]
 bitflags = { version = "1.3.2", optional = true, default-features = false }
-cocoon = { version = "0.3.0", optional = true, default-features = false }
+cocoon = { version = "0.3.1", optional = true, default-features = false }
 derivative = { version = "2.2.0", default-features = false, features = ["use_core"] }
 derive_more = { version = "0.99.16", default-features = false, features = ["add", "add_assign", "display", "from", "sum"] }
 futures = { version = "0.3.21", optional = true, default-features = false, features = ["alloc"] }

manta-pay/Cargo.toml

@@ -117,7 +117,7 @@ ark-std = { version = "0.3.0", optional = true, default-features = false }
 bip32 = { version = "0.3.0", optional = true, default-features = false, features = ["bip39", "secp256k1"] }
 blake2 = { version = "0.10.4", default-features = false }
 bs58 = { version = "0.4.0", optional = true, default-features = false, features = ["alloc"] }
-clap = { version = "3.2.8", optional = true, default-features = false, features = ["color", "derive", "std", "suggestions", "unicode", "wrap_help"] }
+clap = { version = "3.2.10", optional = true, default-features = false, features = ["color", "derive", "std", "suggestions", "unicode", "wrap_help"] }
 derivative = { version = "2.2.0", default-features = false, features = ["use_core"] }
 futures = { version = "0.3.21", optional = true, default-features = false }
 indexmap = { version = "1.8.2", optional = true, default-features = false }

manta-trusted-setup/src/groth16/kzg.rs

@@ -34,9 +34,13 @@ use rayon::iter::{IndexedParallelIterator, ParallelIterator};
 /// KZG Trusted Setup Size
 pub trait Size {
     /// Number of G1 Powers to Produce
+    ///
+    /// The number of G1 powers must be greater than or equal to the number of G2 powers.
     const G1_POWERS: usize;
 
     /// Number of G2 Powers to Produce
+    ///
+    /// The number of G2 powers must be smaller than or equal to the number of G1 powers.
     const G2_POWERS: usize;
 }
 
@@ -523,6 +527,7 @@ where
     pub fn update(&mut self, contribution: &Contribution<C>) {
         let mut tau_powers =
             iter::successors(Some(C::Scalar::one()), |x| Some(x.mul(contribution.tau)))
+                .take(C::G1_POWERS)
                 .collect::<Vec<_>>();
         let remaining_tau_powers = tau_powers.split_off(C::G2_POWERS);
         cfg_iter_mut!(self.tau_powers_g1)

manta-util/Cargo.toml

@@ -40,6 +40,6 @@ std = ["alloc"]
 [dependencies]
 crossbeam-channel = { version = "0.5.4", optional = true, default-features = false }
 rayon = { version = "1.5.3", optional = true, default-features = false }
-serde = { version = "1.0.138", optional = true, default-features = false, features = ["derive"] }
+serde = { version = "1.0.139", optional = true, default-features = false, features = ["derive"] }
 serde_with = { version = "1.14.0", optional = true, default-features = false, features = ["macros"] }
 workspace-hack = { version = "0.1.0", path = "../workspace-hack" }

workspace-hack/Cargo.toml

@@ -19,7 +19,7 @@ anyhow = { version = "1.0.58", features = ["std"] }
 bitflags = { version = "1.3.2" }
 blake3 = { version = "1.3.1", default-features = false, features = ["digest", "std"] }
 block-buffer = { version = "0.9.0", default-features = false, features = ["block-padding"] }
-crypto-common = { version = "0.1.4", default-features = false, features = ["std"] }
+crypto-common = { version = "0.1.5", default-features = false, features = ["std"] }
 digest-93f6ce9d446188ac = { package = "digest", version = "0.10.3", features = ["alloc", "block-buffer", "core-api", "mac", "std", "subtle"] }
 digest-274715c4dabd11b0 = { package = "digest", version = "0.9.0", default-features = false, features = ["alloc", "std"] }
 futures = { version = "0.3.21", features = ["alloc", "async-await", "executor", "futures-executor", "std"] }
@@ -40,7 +40,7 @@ ppv-lite86 = { version = "0.2.16", default-features = false, features = ["simd",
 rand = { version = "0.8.5", features = ["alloc", "getrandom", "libc", "rand_chacha", "std", "std_rng"] }
 rand_chacha = { version = "0.3.1", default-features = false, features = ["std"] }
 rand_core = { version = "0.6.3", default-features = false, features = ["alloc", "getrandom", "std"] }
-serde = { version = "1.0.138", features = ["alloc", "derive", "serde_derive", "std"] }
+serde = { version = "1.0.139", features = ["alloc", "derive", "serde_derive", "std"] }
 serde_json = { version = "1.0.82", features = ["alloc", "std"] }
 sha2 = { version = "0.9.9", features = ["std"] }
 standback = { version = "0.2.17", default-features = false, features = ["std"] }
@@ -53,12 +53,12 @@ zeroize = { version = "1.5.6", default-features = false, features = ["alloc", "z
 anyhow = { version = "1.0.58", features = ["std"] }
 blake3 = { version = "1.3.1", default-features = false, features = ["digest", "std"] }
 cc = { version = "1.0.73", default-features = false, features = ["jobserver", "parallel"] }
-crypto-common = { version = "0.1.4", default-features = false, features = ["std"] }
+crypto-common = { version = "0.1.5", default-features = false, features = ["std"] }
 digest-93f6ce9d446188ac = { package = "digest", version = "0.10.3", features = ["alloc", "block-buffer", "core-api", "mac", "std", "subtle"] }
 generic-array = { version = "0.14.5", default-features = false, features = ["more_lengths"] }
 log = { version = "0.4.17", default-features = false, features = ["kv_unstable", "kv_unstable_std", "std", "value-bag"] }
 num-traits = { version = "0.2.15", features = ["i128", "libm", "std"] }
-serde = { version = "1.0.138", features = ["alloc", "derive", "serde_derive", "std"] }
+serde = { version = "1.0.139", features = ["alloc", "derive", "serde_derive", "std"] }
 standback = { version = "0.2.17", default-features = false, features = ["std"] }
 subtle = { version = "2.4.1", default-features = false, features = ["i128"] }
 syn = { version = "1.0.98", features = ["clone-impls", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"] }