diff --git a/Cargo.lock b/Cargo.lock
index ef6197a3..0066f3c0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -100,6 +100,11 @@ dependencies = [
  "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "base58"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "base64"
 version = "0.9.3"
@@ -111,11 +116,8 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.10.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "bech32"
@@ -125,18 +127,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "bellman"
 version = "0.6.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2s_simd 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "group 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "group 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pairing 0.16.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "pairing 0.16.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -206,6 +208,11 @@ dependencies = [
  "sha2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byte-tools"
 version = "0.3.1"
@@ -232,7 +239,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.58"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -260,7 +267,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ascii 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -368,13 +375,13 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.5.3"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "equihash"
 version = "0.1.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "blake2b_simd 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -382,7 +389,7 @@ dependencies = [
 
 [[package]]
 name = "error-chain"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -404,7 +411,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -426,10 +433,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "ff"
 version = "0.6.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff_derive 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "ff_derive 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -437,7 +444,7 @@ dependencies = [
 [[package]]
 name = "ff_derive"
 version = "0.6.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "addchain 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -445,7 +452,7 @@ dependencies = [
  "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -519,10 +526,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "group"
 version = "0.6.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -547,6 +554,17 @@ dependencies = [
  "tokio-tls-api 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hdwallet"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "secp256k1 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.15"
@@ -596,7 +614,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cesu8 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "combine 3.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "jni-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -607,6 +625,14 @@ name = "jni-sys"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "js-sys"
+version = "0.3.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -631,7 +657,7 @@ name = "libsqlite3-sys"
 version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -805,11 +831,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "pairing"
 version = "0.16.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942#f55f094ef69c2caeaa941bcf851dac8cb5fa9942"
+source = "git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296#18b1ce7401184e86031e6d7ddefa7c8d36929296"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
- "group 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=f55f094ef69c2caeaa941bcf851dac8cb5fa9942)",
+ "ff 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
+ "group 0.6.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -941,17 +967,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ring"
-version = "0.14.6"
+version = "0.16.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.74 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ripemd160"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rusqlite"
 version = "0.23.1"
@@ -963,7 +1000,7 @@ dependencies = [
  "libsqlite3-sys 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -982,15 +1019,14 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.15.2"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "sct 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1018,11 +1054,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "sct"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.17.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "secp256k1-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "secp256k1-sys"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1069,7 +1121,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.1"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1084,7 +1136,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "1.0.36"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1099,7 +1151,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1122,13 +1174,13 @@ dependencies = [
 
 [[package]]
 name = "tls-api-rustls"
-version = "0.1.22"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rustls 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tls-api 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki-roots 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1391,7 +1443,7 @@ dependencies = [
 
 [[package]]
 name = "untrusted"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1425,21 +1477,78 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "webpki"
-version = "0.19.1"
+name = "wasm-bindgen"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bumpalo 3.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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+"checksum zcash_client_sqlite 0.0.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)" = "<none>"
+"checksum zcash_primitives 0.2.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)" = "<none>"
+"checksum zcash_proofs 0.2.0 (git+https://github.com/zcash/librustzcash.git?rev=18b1ce7401184e86031e6d7ddefa7c8d36929296)" = "<none>"
diff --git a/Cargo.toml b/Cargo.toml
index b2228fde..4e19fecd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,10 +19,21 @@ httpbis = { version = "0.7", optional = true }
 jni = { version = "0.13", default-features = false }
 log = "0.4"
 log-panics = "2.0.0"
-protobuf = { version = "2", optional = true }
+#protobuf = { version = "2", optional = true }
 tls-api = { version = "0.1", optional = true }
 tls-api-rustls = { version = "0.1", optional = true }
 
+#### Temporary additions: ####################################
+base58 = "0.1.0"
+protobuf = "2"
+sha2 = "0.8.0"
+bs58 = { version = "0.3", features = ["check"] }
+hdwallet = "0.2.2"
+ripemd160 = "0.8.0"
+secp256k1 = "0.17.2"
+##############################################################
+
+
 [dependencies.ff]
 git = "https://github.com/zcash/librustzcash.git"
 rev = "18b1ce7401184e86031e6d7ddefa7c8d36929296"
@@ -47,6 +58,9 @@ rev = "18b1ce7401184e86031e6d7ddefa7c8d36929296"
 git = "https://github.com/zcash/librustzcash.git"
 rev = "18b1ce7401184e86031e6d7ddefa7c8d36929296"
 
+[build-dependencies]
+protobuf-codegen-pure = "2.14"
+
 #[patch.'https://github.com/zcash/librustzcash.git']
 #ff = { path = '../../clones/librustzcash/ff' }
 #pairing = { path = '../../clones/librustzcash/pairing' }
@@ -57,7 +71,7 @@ rev = "18b1ce7401184e86031e6d7ddefa7c8d36929296"
 
 [features]
 mainnet = ["zcash_client_sqlite/mainnet"]
-updater = ["futures", "grpc", "httpbis", "protobuf", "tls-api", "tls-api-rustls"]
+#updater = ["futures", "grpc", "httpbis", "protobuf", "tls-api", "tls-api-rustls"]
 
 [lib]
 name = "zcashwalletsdk"
diff --git a/src/main/java/cash/z/ecc/android/sdk/jni/RustBackend.kt b/src/main/java/cash/z/ecc/android/sdk/jni/RustBackend.kt
index 660ac1f6..17d1af96 100644
--- a/src/main/java/cash/z/ecc/android/sdk/jni/RustBackend.kt
+++ b/src/main/java/cash/z/ecc/android/sdk/jni/RustBackend.kt
@@ -4,6 +4,7 @@ import cash.z.ecc.android.sdk.exception.BirthdayException
 import cash.z.ecc.android.sdk.ext.ZcashSdk.OUTPUT_PARAM_FILE_NAME
 import cash.z.ecc.android.sdk.ext.ZcashSdk.SPEND_PARAM_FILE_NAME
 import cash.z.ecc.android.sdk.ext.twig
+import cash.z.ecc.android.sdk.rpc.LocalRpcTypes
 import java.io.File
 
 /**
@@ -125,6 +126,9 @@ class RustBackend : RustBackendWelding {
     override fun deriveSpendingKeys(seed: ByteArray, numberOfAccounts: Int) =
         deriveExtendedSpendingKeys(seed, numberOfAccounts)
 
+
+    override fun deriveTAddress(seed: ByteArray): String = deriveTransparentAddress(seed)
+
     override fun deriveViewingKeys(seed: ByteArray, numberOfAccounts: Int) =
         deriveExtendedFullViewingKeys(seed, numberOfAccounts)
 
@@ -141,6 +145,25 @@ class RustBackend : RustBackendWelding {
 
     override fun getBranchIdForHeight(height: Int): Long = branchIdForHeight(height)
 
+    /**
+     * This is a proof-of-concept for doing Local RPC, where we are effectively using the JNI
+     * boundary as a grpc server. It is slightly inefficient in terms of both space and time but
+     * given that it is all done locally, on the heap, it seems to be a worthwhile tradeoff because
+     * it reduces the complexity and expands the capacity for the two layers to communicate.
+     *
+     * We're able to keep the "unsafe" byteArray functions private and wrap them in typeSafe
+     * equivalents and, eventually, surface any parse errors (for now, errors are only logged).
+     */
+    override fun parseTransactionDataList(tdl: LocalRpcTypes.TransactionDataList): LocalRpcTypes.TransparentTransactionList {
+        return try {
+            // serialize the list, send it over to rust and get back a serialized set of results that we parse out and return
+            return LocalRpcTypes.TransparentTransactionList.parseFrom(parseTransactionDataList(tdl.toByteArray()))
+        } catch (t: Throwable) {
+            twig("ERROR: failed to parse transaction data list due to: $t caused by: ${t.cause}")
+            LocalRpcTypes.TransparentTransactionList.newBuilder().build()
+        }
+    }
+
     /**
      * Exposes all of the librustzcash functions along with helpers for loading the static library.
      */
@@ -246,5 +269,9 @@ class RustBackend : RustBackendWelding {
         @JvmStatic private external fun deriveAddressFromViewingKey(key: String): String
 
         @JvmStatic private external fun branchIdForHeight(height: Int): Long
+
+        @JvmStatic private external fun parseTransactionDataList(serializedList: ByteArray): ByteArray
+
+        @JvmStatic private external fun deriveTransparentAddress(seed: ByteArray): String
     }
 }
diff --git a/src/main/java/cash/z/ecc/android/sdk/jni/RustBackendWelding.kt b/src/main/java/cash/z/ecc/android/sdk/jni/RustBackendWelding.kt
index 7860b5fb..c715cceb 100644
--- a/src/main/java/cash/z/ecc/android/sdk/jni/RustBackendWelding.kt
+++ b/src/main/java/cash/z/ecc/android/sdk/jni/RustBackendWelding.kt
@@ -1,5 +1,7 @@
 package cash.z.ecc.android.sdk.jni
 
+import cash.z.ecc.android.sdk.rpc.LocalRpcTypes
+
 /**
  * Contract defining the exposed capabilities of the Rust backend.
  * This is what welds the SDK to the Rust layer.
@@ -23,6 +25,8 @@ interface RustBackendWelding {
 
     fun deriveSpendingKeys(seed: ByteArray, numberOfAccounts: Int = 1): Array<String>
 
+    fun deriveTAddress(seed: ByteArray): String
+
     fun deriveViewingKey(spendingKey: String): String
 
     fun deriveViewingKeys(seed: ByteArray, numberOfAccounts: Int = 1): Array<String>
@@ -53,6 +57,8 @@ interface RustBackendWelding {
 
     fun getVerifiedBalance(account: Int = 0): Long
 
+    fun parseTransactionDataList(tdl: LocalRpcTypes.TransactionDataList): LocalRpcTypes.TransparentTransactionList
+
     fun rewindToHeight(height: Int): Boolean
 
     fun scanBlocks(limit: Int = -1): Boolean
diff --git a/src/main/proto/local_rpc_types.proto b/src/main/proto/local_rpc_types.proto
new file mode 100644
index 00000000..f599798d
--- /dev/null
+++ b/src/main/proto/local_rpc_types.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+package cash.z.ecc.android.sdk.rpc;
+option go_package = "walletrpc";
+
+message TransactionDataList {
+    repeated bytes data = 1;
+}
+
+message TransparentTransactionList {
+    repeated TransparentTransaction transactions = 1;
+}
+
+message TransparentTransaction {
+    uint32 protoVersion = 1; // the version of this wire format, for storage
+    uint32 expiryHeight = 2;
+    bool hasShieldedOutputs = 3;
+    bool hasShieldedSpends = 4;
+    uint32 height = 5;
+    int64 value = 6;
+    string toAddress = 7;
+    string fromAddress = 8;
+}    
diff --git a/src/main/rust/lib.rs b/src/main/rust/lib.rs
index 474bb939..e780767a 100644
--- a/src/main/rust/lib.rs
+++ b/src/main/rust/lib.rs
@@ -63,6 +63,27 @@ use zcash_client_backend::constants::testnet::{
     HRP_SAPLING_PAYMENT_ADDRESS,
 };
 
+// /////////////////////////////////////////////////////////////////////////////////////////////////
+// Temporary Imports
+mod local_rpc_types;
+use local_rpc_types::{TransparentTransaction, TransparentTransactionList, TransactionDataList};
+use base58::{ToBase58};
+use jni::errors::{Result as JniResult};
+use protobuf::{parse_from_bytes, Message};
+use sha2::{Sha256, Digest};
+use zcash_client_backend::{
+    constants::{testnet, mainnet},
+};
+use zcash_primitives::legacy::{Script, TransparentAddress};
+
+use bs58::{self, decode::Error as Bs58Error};
+use hdwallet::{ExtendedPrivKey, KeyIndex};
+use secp256k1::{PublicKey, Secp256k1, SecretKey, SignOnly, VerifyOnly};
+use zcash_client_backend::constants::mainnet::B58_PUBKEY_ADDRESS_PREFIX;
+
+// use crate::extended_key::{key_index::KeyIndex, ExtendedPrivKey, ExtendedPubKey, KeySeed};
+// /////////////////////////////////////////////////////////////////////////////////////////////////
+
 #[cfg(debug_assertions)]
 fn print_debug_state() {
     debug!("WARNING! Debugging enabled! This will likely slow things down 10X!");
@@ -591,6 +612,84 @@ pub unsafe extern "C" fn Java_cash_z_ecc_android_sdk_jni_RustBackend_scanBlockBa
     unwrap_exc_or(&env, res, JNI_FALSE)
 }
 
+// ////////////////////////////////////////////////////////////////////////////////////////////////
+// PROOF-OF-CONCEPT FOR PROTOBUF COMMUNICATION WITH SDK
+// ////////////////////////////////////////////////////////////////////////////////////////////////
+#[no_mangle]
+pub unsafe extern "C" fn Java_cash_z_ecc_android_sdk_jni_RustBackend_parseTransactionDataList(
+    env: JNIEnv<'_>,
+    _: JClass<'_>,
+    tx_data_list: jbyteArray,
+) -> jbyteArray {
+    let mut err_val: Vec<u8> = Vec::new();
+    let mut res_err = env.byte_array_from_slice(&err_val).unwrap();
+    let res = panic::catch_unwind(|| {
+        let tx_data_bytes = env.convert_byte_array(tx_data_list)?;
+        let input_tx_data = parse_from_bytes::<TransactionDataList>(&tx_data_bytes)?;
+        let mut tx_list = TransparentTransactionList::new();
+        let mut txs = protobuf::RepeatedField::<TransparentTransaction>::new();
+        for data in input_tx_data.data.iter() {
+            let mut tx = TransparentTransaction::new();
+            let parsed = Transaction::read(&data[..])?;
+            tx.set_expiryHeight(parsed.expiry_height);
+            // Note: the wrong value is returned here (negative numbers)
+            tx.set_value(i64::from(parsed.value_balance));
+            tx.set_hasShieldedSpends(parsed.shielded_spends.len() > 0);
+            tx.set_hasShieldedOutputs(parsed.shielded_outputs.len() > 0);
+
+            for (n, vout) in parsed.vout.iter().enumerate() {
+                match vout.script_pubkey.address() {
+                    // NOTE : this logic below doesn't work. No address is parsed.
+                    Some(TransparentAddress::PublicKey(hash)) => {
+                        tx.set_toAddress(hash.to_base58check(&B58_PUBKEY_ADDRESS_PREFIX, &[]));
+                    },
+                    _ => {}
+                }
+            }
+
+            txs.push(tx);
+        }
+
+        tx_list.set_transactions(txs);
+        match env.byte_array_from_slice(&tx_list.write_to_bytes()?) {
+            Ok(result) => Ok(result),
+            Err(e) => Err(format_err!("Error while parsing transaction: {}", e)),
+        }
+    });
+    unwrap_exc_or(&env, res, res_err)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn Java_cash_z_ecc_android_sdk_jni_RustBackend_deriveTransparentAddress(
+    env: JNIEnv<'_>,
+    _: JClass<'_>,
+    seed: jbyteArray,
+) -> jstring {
+    let res = panic::catch_unwind(|| {
+        let seed = env.convert_byte_array(seed).unwrap();
+
+        // modified from: https://github.com/adityapk00/zecwallet-light-cli/blob/master/lib/src/lightwallet.rs
+
+        let ext_t_key = ExtendedPrivKey::with_seed(&seed).unwrap();
+        let address_sk = ext_t_key
+            .derive_private_key(KeyIndex::hardened_from_normalize_index(44).unwrap()).unwrap()
+            .derive_private_key(KeyIndex::hardened_from_normalize_index(COIN_TYPE).unwrap()).unwrap()
+            .derive_private_key(KeyIndex::hardened_from_normalize_index(0).unwrap()).unwrap()
+            .derive_private_key(KeyIndex::Normal(0)).unwrap()
+            .derive_private_key(KeyIndex::Normal(0)).unwrap()
+            .private_key;
+        let secp = Secp256k1::new();
+        let pk = PublicKey::from_secret_key(&secp, &address_sk);
+        let mut hash160 = ripemd160::Ripemd160::new();
+        hash160.input(Sha256::digest(&pk.serialize()[..].to_vec()));
+        let address_string = hash160.result().to_base58check(&B58_PUBKEY_ADDRESS_PREFIX, &[]);
+
+        let output = env.new_string(address_string).expect("Couldn't create Java string!");
+        Ok(output.into_inner())
+    });
+    unwrap_exc_or(&env, res, ptr::null_mut())
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn Java_cash_z_ecc_android_sdk_jni_RustBackend_decryptAndStoreTransaction(
     env: JNIEnv<'_>,
@@ -701,3 +800,35 @@ pub unsafe extern "C" fn Java_cash_z_ecc_android_sdk_jni_RustBackend_branchIdFor
     });
     unwrap_exc_or(&env, res, -1)
 }
+
+
+
+//
+// Helper code from: https://github.com/adityapk00/zecwallet-light-cli/blob/master/lib/src/lightwallet.rs
+//
+
+/// A trait for converting a [u8] to base58 encoded string.
+pub trait ToBase58Check {
+    /// Converts a value of `self` to a base58 value, returning the owned string.
+    /// The version is a coin-specific prefix that is added.
+    /// The suffix is any bytes that we want to add at the end (like the "iscompressed" flag for
+    /// Secret key encoding)
+    fn to_base58check(&self, version: &[u8], suffix: &[u8]) -> String;
+}
+impl ToBase58Check for [u8] {
+    fn to_base58check(&self, version: &[u8], suffix: &[u8]) -> String {
+        let mut payload: Vec<u8> = Vec::new();
+        payload.extend_from_slice(version);
+        payload.extend_from_slice(self);
+        payload.extend_from_slice(suffix);
+
+        let mut checksum = double_sha256(&payload);
+        payload.append(&mut checksum[..4].to_vec());
+        payload.to_base58()
+    }
+}
+pub fn double_sha256(payload: &[u8]) -> Vec<u8> {
+    let h1 = Sha256::digest(&payload);
+    let h2 = Sha256::digest(&h1);
+    h2.to_vec()
+}
\ No newline at end of file
diff --git a/src/main/rust/local_rpc_types.rs b/src/main/rust/local_rpc_types.rs
new file mode 100644
index 00000000..96fa444b
--- /dev/null
+++ b/src/main/rust/local_rpc_types.rs
@@ -0,0 +1,801 @@
+// This file is generated by rust-protobuf 2.14.0. Do not edit
+// @generated
+
+// https://github.com/rust-lang/rust-clippy/issues/702
+#![allow(unknown_lints)]
+#![allow(clippy::all)]
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+
+#![allow(box_pointers)]
+#![allow(dead_code)]
+#![allow(missing_docs)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+#![allow(non_upper_case_globals)]
+#![allow(trivial_casts)]
+#![allow(unsafe_code)]
+#![allow(unused_imports)]
+#![allow(unused_results)]
+//! Generated file from `local_rpc_types.proto`
+
+use protobuf::Message as Message_imported_for_functions;
+use protobuf::ProtobufEnum as ProtobufEnum_imported_for_functions;
+
+/// Generated files are compatible only with the same version
+/// of protobuf runtime.
+// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_14_0;
+
+#[derive(PartialEq,Clone,Default)]
+pub struct TransactionDataList {
+    // message fields
+    pub data: ::protobuf::RepeatedField<::std::vec::Vec<u8>>,
+    // special fields
+    pub unknown_fields: ::protobuf::UnknownFields,
+    pub cached_size: ::protobuf::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a TransactionDataList {
+    fn default() -> &'a TransactionDataList {
+        <TransactionDataList as ::protobuf::Message>::default_instance()
+    }
+}
+
+impl TransactionDataList {
+    pub fn new() -> TransactionDataList {
+        ::std::default::Default::default()
+    }
+
+    // repeated bytes data = 1;
+
+
+    pub fn get_data(&self) -> &[::std::vec::Vec<u8>] {
+        &self.data
+    }
+    pub fn clear_data(&mut self) {
+        self.data.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_data(&mut self, v: ::protobuf::RepeatedField<::std::vec::Vec<u8>>) {
+        self.data = v;
+    }
+
+    // Mutable pointer to the field.
+    pub fn mut_data(&mut self) -> &mut ::protobuf::RepeatedField<::std::vec::Vec<u8>> {
+        &mut self.data
+    }
+
+    // Take field
+    pub fn take_data(&mut self) -> ::protobuf::RepeatedField<::std::vec::Vec<u8>> {
+        ::std::mem::replace(&mut self.data, ::protobuf::RepeatedField::new())
+    }
+}
+
+impl ::protobuf::Message for TransactionDataList {
+    fn is_initialized(&self) -> bool {
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                1 => {
+                    ::protobuf::rt::read_repeated_bytes_into(wire_type, is, &mut self.data)?;
+                },
+                _ => {
+                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        for value in &self.data {
+            my_size += ::protobuf::rt::bytes_size(1, &value);
+        };
+        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        for v in &self.data {
+            os.write_bytes(1, &v)?;
+        };
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> TransactionDataList {
+        TransactionDataList::new()
+    }
+
+    fn descriptor_static() -> &'static ::protobuf::reflect::MessageDescriptor {
+        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            descriptor.get(|| {
+                let mut fields = ::std::vec::Vec::new();
+                fields.push(::protobuf::reflect::accessor::make_repeated_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
+                    "data",
+                    |m: &TransactionDataList| { &m.data },
+                    |m: &mut TransactionDataList| { &mut m.data },
+                ));
+                ::protobuf::reflect::MessageDescriptor::new_pb_name::<TransactionDataList>(
+                    "TransactionDataList",
+                    fields,
+                    file_descriptor_proto()
+                )
+            })
+        }
+    }
+
+    fn default_instance() -> &'static TransactionDataList {
+        static mut instance: ::protobuf::lazy::Lazy<TransactionDataList> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            instance.get(TransactionDataList::new)
+        }
+    }
+}
+
+impl ::protobuf::Clear for TransactionDataList {
+    fn clear(&mut self) {
+        self.data.clear();
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for TransactionDataList {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        ::protobuf::text_format::fmt(self, f)
+    }
+}
+
+impl ::protobuf::reflect::ProtobufValue for TransactionDataList {
+    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
+        ::protobuf::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+#[derive(PartialEq,Clone,Default)]
+pub struct TransparentTransactionList {
+    // message fields
+    pub transactions: ::protobuf::RepeatedField<TransparentTransaction>,
+    // special fields
+    pub unknown_fields: ::protobuf::UnknownFields,
+    pub cached_size: ::protobuf::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a TransparentTransactionList {
+    fn default() -> &'a TransparentTransactionList {
+        <TransparentTransactionList as ::protobuf::Message>::default_instance()
+    }
+}
+
+impl TransparentTransactionList {
+    pub fn new() -> TransparentTransactionList {
+        ::std::default::Default::default()
+    }
+
+    // repeated .cash.z.ecc.android.sdk.rpc.TransparentTransaction transactions = 1;
+
+
+    pub fn get_transactions(&self) -> &[TransparentTransaction] {
+        &self.transactions
+    }
+    pub fn clear_transactions(&mut self) {
+        self.transactions.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_transactions(&mut self, v: ::protobuf::RepeatedField<TransparentTransaction>) {
+        self.transactions = v;
+    }
+
+    // Mutable pointer to the field.
+    pub fn mut_transactions(&mut self) -> &mut ::protobuf::RepeatedField<TransparentTransaction> {
+        &mut self.transactions
+    }
+
+    // Take field
+    pub fn take_transactions(&mut self) -> ::protobuf::RepeatedField<TransparentTransaction> {
+        ::std::mem::replace(&mut self.transactions, ::protobuf::RepeatedField::new())
+    }
+}
+
+impl ::protobuf::Message for TransparentTransactionList {
+    fn is_initialized(&self) -> bool {
+        for v in &self.transactions {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                1 => {
+                    ::protobuf::rt::read_repeated_message_into(wire_type, is, &mut self.transactions)?;
+                },
+                _ => {
+                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        for value in &self.transactions {
+            let len = value.compute_size();
+            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+        };
+        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        for v in &self.transactions {
+            os.write_tag(1, ::protobuf::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        };
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> TransparentTransactionList {
+        TransparentTransactionList::new()
+    }
+
+    fn descriptor_static() -> &'static ::protobuf::reflect::MessageDescriptor {
+        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            descriptor.get(|| {
+                let mut fields = ::std::vec::Vec::new();
+                fields.push(::protobuf::reflect::accessor::make_repeated_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<TransparentTransaction>>(
+                    "transactions",
+                    |m: &TransparentTransactionList| { &m.transactions },
+                    |m: &mut TransparentTransactionList| { &mut m.transactions },
+                ));
+                ::protobuf::reflect::MessageDescriptor::new_pb_name::<TransparentTransactionList>(
+                    "TransparentTransactionList",
+                    fields,
+                    file_descriptor_proto()
+                )
+            })
+        }
+    }
+
+    fn default_instance() -> &'static TransparentTransactionList {
+        static mut instance: ::protobuf::lazy::Lazy<TransparentTransactionList> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            instance.get(TransparentTransactionList::new)
+        }
+    }
+}
+
+impl ::protobuf::Clear for TransparentTransactionList {
+    fn clear(&mut self) {
+        self.transactions.clear();
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for TransparentTransactionList {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        ::protobuf::text_format::fmt(self, f)
+    }
+}
+
+impl ::protobuf::reflect::ProtobufValue for TransparentTransactionList {
+    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
+        ::protobuf::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+#[derive(PartialEq,Clone,Default)]
+pub struct TransparentTransaction {
+    // message fields
+    pub protoVersion: u32,
+    pub expiryHeight: u32,
+    pub hasShieldedOutputs: bool,
+    pub hasShieldedSpends: bool,
+    pub height: u32,
+    pub value: i64,
+    pub toAddress: ::std::string::String,
+    pub fromAddress: ::std::string::String,
+    // special fields
+    pub unknown_fields: ::protobuf::UnknownFields,
+    pub cached_size: ::protobuf::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a TransparentTransaction {
+    fn default() -> &'a TransparentTransaction {
+        <TransparentTransaction as ::protobuf::Message>::default_instance()
+    }
+}
+
+impl TransparentTransaction {
+    pub fn new() -> TransparentTransaction {
+        ::std::default::Default::default()
+    }
+
+    // uint32 protoVersion = 1;
+
+
+    pub fn get_protoVersion(&self) -> u32 {
+        self.protoVersion
+    }
+    pub fn clear_protoVersion(&mut self) {
+        self.protoVersion = 0;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_protoVersion(&mut self, v: u32) {
+        self.protoVersion = v;
+    }
+
+    // uint32 expiryHeight = 2;
+
+
+    pub fn get_expiryHeight(&self) -> u32 {
+        self.expiryHeight
+    }
+    pub fn clear_expiryHeight(&mut self) {
+        self.expiryHeight = 0;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_expiryHeight(&mut self, v: u32) {
+        self.expiryHeight = v;
+    }
+
+    // bool hasShieldedOutputs = 3;
+
+
+    pub fn get_hasShieldedOutputs(&self) -> bool {
+        self.hasShieldedOutputs
+    }
+    pub fn clear_hasShieldedOutputs(&mut self) {
+        self.hasShieldedOutputs = false;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_hasShieldedOutputs(&mut self, v: bool) {
+        self.hasShieldedOutputs = v;
+    }
+
+    // bool hasShieldedSpends = 4;
+
+
+    pub fn get_hasShieldedSpends(&self) -> bool {
+        self.hasShieldedSpends
+    }
+    pub fn clear_hasShieldedSpends(&mut self) {
+        self.hasShieldedSpends = false;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_hasShieldedSpends(&mut self, v: bool) {
+        self.hasShieldedSpends = v;
+    }
+
+    // uint32 height = 5;
+
+
+    pub fn get_height(&self) -> u32 {
+        self.height
+    }
+    pub fn clear_height(&mut self) {
+        self.height = 0;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_height(&mut self, v: u32) {
+        self.height = v;
+    }
+
+    // int64 value = 6;
+
+
+    pub fn get_value(&self) -> i64 {
+        self.value
+    }
+    pub fn clear_value(&mut self) {
+        self.value = 0;
+    }
+
+    // Param is passed by value, moved
+    pub fn set_value(&mut self, v: i64) {
+        self.value = v;
+    }
+
+    // string toAddress = 7;
+
+
+    pub fn get_toAddress(&self) -> &str {
+        &self.toAddress
+    }
+    pub fn clear_toAddress(&mut self) {
+        self.toAddress.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_toAddress(&mut self, v: ::std::string::String) {
+        self.toAddress = v;
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_toAddress(&mut self) -> &mut ::std::string::String {
+        &mut self.toAddress
+    }
+
+    // Take field
+    pub fn take_toAddress(&mut self) -> ::std::string::String {
+        ::std::mem::replace(&mut self.toAddress, ::std::string::String::new())
+    }
+
+    // string fromAddress = 8;
+
+
+    pub fn get_fromAddress(&self) -> &str {
+        &self.fromAddress
+    }
+    pub fn clear_fromAddress(&mut self) {
+        self.fromAddress.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_fromAddress(&mut self, v: ::std::string::String) {
+        self.fromAddress = v;
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_fromAddress(&mut self) -> &mut ::std::string::String {
+        &mut self.fromAddress
+    }
+
+    // Take field
+    pub fn take_fromAddress(&mut self) -> ::std::string::String {
+        ::std::mem::replace(&mut self.fromAddress, ::std::string::String::new())
+    }
+}
+
+impl ::protobuf::Message for TransparentTransaction {
+    fn is_initialized(&self) -> bool {
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                1 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_uint32()?;
+                    self.protoVersion = tmp;
+                },
+                2 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_uint32()?;
+                    self.expiryHeight = tmp;
+                },
+                3 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_bool()?;
+                    self.hasShieldedOutputs = tmp;
+                },
+                4 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_bool()?;
+                    self.hasShieldedSpends = tmp;
+                },
+                5 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_uint32()?;
+                    self.height = tmp;
+                },
+                6 => {
+                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int64()?;
+                    self.value = tmp;
+                },
+                7 => {
+                    ::protobuf::rt::read_singular_proto3_string_into(wire_type, is, &mut self.toAddress)?;
+                },
+                8 => {
+                    ::protobuf::rt::read_singular_proto3_string_into(wire_type, is, &mut self.fromAddress)?;
+                },
+                _ => {
+                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        if self.protoVersion != 0 {
+            my_size += ::protobuf::rt::value_size(1, self.protoVersion, ::protobuf::wire_format::WireTypeVarint);
+        }
+        if self.expiryHeight != 0 {
+            my_size += ::protobuf::rt::value_size(2, self.expiryHeight, ::protobuf::wire_format::WireTypeVarint);
+        }
+        if self.hasShieldedOutputs != false {
+            my_size += 2;
+        }
+        if self.hasShieldedSpends != false {
+            my_size += 2;
+        }
+        if self.height != 0 {
+            my_size += ::protobuf::rt::value_size(5, self.height, ::protobuf::wire_format::WireTypeVarint);
+        }
+        if self.value != 0 {
+            my_size += ::protobuf::rt::value_size(6, self.value, ::protobuf::wire_format::WireTypeVarint);
+        }
+        if !self.toAddress.is_empty() {
+            my_size += ::protobuf::rt::string_size(7, &self.toAddress);
+        }
+        if !self.fromAddress.is_empty() {
+            my_size += ::protobuf::rt::string_size(8, &self.fromAddress);
+        }
+        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+        if self.protoVersion != 0 {
+            os.write_uint32(1, self.protoVersion)?;
+        }
+        if self.expiryHeight != 0 {
+            os.write_uint32(2, self.expiryHeight)?;
+        }
+        if self.hasShieldedOutputs != false {
+            os.write_bool(3, self.hasShieldedOutputs)?;
+        }
+        if self.hasShieldedSpends != false {
+            os.write_bool(4, self.hasShieldedSpends)?;
+        }
+        if self.height != 0 {
+            os.write_uint32(5, self.height)?;
+        }
+        if self.value != 0 {
+            os.write_int64(6, self.value)?;
+        }
+        if !self.toAddress.is_empty() {
+            os.write_string(7, &self.toAddress)?;
+        }
+        if !self.fromAddress.is_empty() {
+            os.write_string(8, &self.fromAddress)?;
+        }
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> TransparentTransaction {
+        TransparentTransaction::new()
+    }
+
+    fn descriptor_static() -> &'static ::protobuf::reflect::MessageDescriptor {
+        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            descriptor.get(|| {
+                let mut fields = ::std::vec::Vec::new();
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeUint32>(
+                    "protoVersion",
+                    |m: &TransparentTransaction| { &m.protoVersion },
+                    |m: &mut TransparentTransaction| { &mut m.protoVersion },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeUint32>(
+                    "expiryHeight",
+                    |m: &TransparentTransaction| { &m.expiryHeight },
+                    |m: &mut TransparentTransaction| { &mut m.expiryHeight },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
+                    "hasShieldedOutputs",
+                    |m: &TransparentTransaction| { &m.hasShieldedOutputs },
+                    |m: &mut TransparentTransaction| { &mut m.hasShieldedOutputs },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
+                    "hasShieldedSpends",
+                    |m: &TransparentTransaction| { &m.hasShieldedSpends },
+                    |m: &mut TransparentTransaction| { &mut m.hasShieldedSpends },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeUint32>(
+                    "height",
+                    |m: &TransparentTransaction| { &m.height },
+                    |m: &mut TransparentTransaction| { &mut m.height },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeInt64>(
+                    "value",
+                    |m: &TransparentTransaction| { &m.value },
+                    |m: &mut TransparentTransaction| { &mut m.value },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeString>(
+                    "toAddress",
+                    |m: &TransparentTransaction| { &m.toAddress },
+                    |m: &mut TransparentTransaction| { &mut m.toAddress },
+                ));
+                fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeString>(
+                    "fromAddress",
+                    |m: &TransparentTransaction| { &m.fromAddress },
+                    |m: &mut TransparentTransaction| { &mut m.fromAddress },
+                ));
+                ::protobuf::reflect::MessageDescriptor::new_pb_name::<TransparentTransaction>(
+                    "TransparentTransaction",
+                    fields,
+                    file_descriptor_proto()
+                )
+            })
+        }
+    }
+
+    fn default_instance() -> &'static TransparentTransaction {
+        static mut instance: ::protobuf::lazy::Lazy<TransparentTransaction> = ::protobuf::lazy::Lazy::INIT;
+        unsafe {
+            instance.get(TransparentTransaction::new)
+        }
+    }
+}
+
+impl ::protobuf::Clear for TransparentTransaction {
+    fn clear(&mut self) {
+        self.protoVersion = 0;
+        self.expiryHeight = 0;
+        self.hasShieldedOutputs = false;
+        self.hasShieldedSpends = false;
+        self.height = 0;
+        self.value = 0;
+        self.toAddress.clear();
+        self.fromAddress.clear();
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for TransparentTransaction {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        ::protobuf::text_format::fmt(self, f)
+    }
+}
+
+impl ::protobuf::reflect::ProtobufValue for TransparentTransaction {
+    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
+        ::protobuf::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+static file_descriptor_proto_data: &'static [u8] = b"\
+    \n\x15local_rpc_types.proto\x12\x1acash.z.ecc.android.sdk.rpc\"'\n\x13Tr\
+    ansactionDataList\x12\x0e\n\x04data\x18\x01\x20\x03(\x0cB\0:\0\"j\n\x1aT\
+    ransparentTransactionList\x12J\n\x0ctransactions\x18\x01\x20\x03(\x0b22.\
+    cash.z.ecc.android.sdk.rpc.TransparentTransactionB\0:\0\"\xd4\x01\n\x16T\
+    ransparentTransaction\x12\x16\n\x0cprotoVersion\x18\x01\x20\x01(\rB\0\
+    \x12\x16\n\x0cexpiryHeight\x18\x02\x20\x01(\rB\0\x12\x1c\n\x12hasShielde\
+    dOutputs\x18\x03\x20\x01(\x08B\0\x12\x1b\n\x11hasShieldedSpends\x18\x04\
+    \x20\x01(\x08B\0\x12\x10\n\x06height\x18\x05\x20\x01(\rB\0\x12\x0f\n\x05\
+    value\x18\x06\x20\x01(\x03B\0\x12\x13\n\ttoAddress\x18\x07\x20\x01(\tB\0\
+    \x12\x15\n\x0bfromAddress\x18\x08\x20\x01(\tB\0:\0B\0b\x06proto3\
+";
+
+static mut file_descriptor_proto_lazy: ::protobuf::lazy::Lazy<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::lazy::Lazy::INIT;
+
+fn parse_descriptor_proto() -> ::protobuf::descriptor::FileDescriptorProto {
+    ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
+}
+
+pub fn file_descriptor_proto() -> &'static ::protobuf::descriptor::FileDescriptorProto {
+    unsafe {
+        file_descriptor_proto_lazy.get(|| {
+            parse_descriptor_proto()
+        })
+    }
+}