diff --git a/.gitignore b/.gitignore
index 7723bb84b..b7150ae5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ test_snapshots
 .vscode/settings.json
 .idea
 local.sh
+.stellar
diff --git a/FULL_HELP_DOCS.md b/FULL_HELP_DOCS.md
index 3084a2838..581c2cb87 100644
--- a/FULL_HELP_DOCS.md
+++ b/FULL_HELP_DOCS.md
@@ -131,7 +131,7 @@ Get Id of builtin Soroban Asset Contract. Deprecated, use `stellar contract id a
 
 Deploy builtin Soroban Asset Contract
 
-**Usage:** `stellar contract asset deploy [OPTIONS] --asset <ASSET> --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar contract asset deploy [OPTIONS] --asset <ASSET>`
 
 ###### **Options:**
 
@@ -141,6 +141,8 @@ Deploy builtin Soroban Asset Contract
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -346,7 +348,7 @@ Extend the time to live ledger of a contract-data ledger entry.
 
 If no keys are specified the contract itself is extended.
 
-**Usage:** `stellar contract extend [OPTIONS] --ledgers-to-extend <LEDGERS_TO_EXTEND> --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar contract extend [OPTIONS] --ledgers-to-extend <LEDGERS_TO_EXTEND>`
 
 ###### **Options:**
 
@@ -372,6 +374,8 @@ If no keys are specified the contract itself is extended.
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -389,7 +393,7 @@ If no keys are specified the contract itself is extended.
 
 Deploy a wasm contract
 
-**Usage:** `stellar contract deploy [OPTIONS] --source-account <SOURCE_ACCOUNT> <--wasm <WASM>|--wasm-hash <WASM_HASH>> [-- <CONTRACT_CONSTRUCTOR_ARGS>...]`
+**Usage:** `stellar contract deploy [OPTIONS] <--wasm <WASM>|--wasm-hash <WASM_HASH>> [-- <CONTRACT_CONSTRUCTOR_ARGS>...]`
 
 ###### **Arguments:**
 
@@ -405,6 +409,8 @@ Deploy a wasm contract
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -476,7 +482,7 @@ Deploy builtin Soroban Asset Contract
 
 Deploy normal Wasm Contract
 
-**Usage:** `stellar contract id wasm [OPTIONS] --salt <SALT> --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar contract id wasm [OPTIONS] --salt <SALT>`
 
 ###### **Options:**
 
@@ -486,6 +492,8 @@ Deploy normal Wasm Contract
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -677,7 +685,7 @@ This command will create a Cargo workspace project and add a sample Stellar cont
 
 Install a WASM file to the ledger without creating a contract instance
 
-**Usage:** `stellar contract install [OPTIONS] --source-account <SOURCE_ACCOUNT> --wasm <WASM>`
+**Usage:** `stellar contract install [OPTIONS] --wasm <WASM>`
 
 ###### **Options:**
 
@@ -686,6 +694,8 @@ Install a WASM file to the ledger without creating a contract instance
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -711,7 +721,7 @@ Generates an "implicit CLI" for the specified contract on-the-fly using the cont
 
 stellar contract invoke ... -- --help
 
-**Usage:** `stellar contract invoke [OPTIONS] --id <CONTRACT_ID> --source-account <SOURCE_ACCOUNT> [-- <CONTRACT_FN_AND_ARGS>...]`
+**Usage:** `stellar contract invoke [OPTIONS] --id <CONTRACT_ID> [-- <CONTRACT_FN_AND_ARGS>...]`
 
 ###### **Arguments:**
 
@@ -726,6 +736,8 @@ stellar contract invoke ... -- --help
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -814,7 +826,7 @@ Restore an evicted value for a contract-data legder entry.
 
 If no keys are specificed the contract itself is restored.
 
-**Usage:** `stellar contract restore [OPTIONS] --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar contract restore [OPTIONS]`
 
 ###### **Options:**
 
@@ -840,6 +852,8 @@ If no keys are specificed the contract itself is restored.
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1020,6 +1034,7 @@ Generate a new identity with a seed phrase, currently 12 words
 * `--fund` — Fund generated key pair
 
   Default value: `false`
+* `--overwrite` — Overwrite existing identity if it already exists
 
 
 
@@ -1457,7 +1472,7 @@ Sign, Simulate, and Send transactions
 
 Simulate a transaction envelope from stdin
 
-**Usage:** `stellar tx simulate [OPTIONS] --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar tx simulate [OPTIONS]`
 
 ###### **Options:**
 
@@ -1466,6 +1481,8 @@ Simulate a transaction envelope from stdin
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1547,7 +1564,7 @@ Create a new transaction
 
 Transfers the XLM balance of an account to another account and removes the source account from the ledger
 
-**Usage:** `stellar tx new account-merge [OPTIONS] --source-account <SOURCE_ACCOUNT> --account <ACCOUNT>`
+**Usage:** `stellar tx new account-merge [OPTIONS] --account <ACCOUNT>`
 
 ###### **Options:**
 
@@ -1563,6 +1580,8 @@ Transfers the XLM balance of an account to another account and removes the sourc
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1574,7 +1593,7 @@ Transfers the XLM balance of an account to another account and removes the sourc
 
 Bumps forward the sequence number of the source account to the given sequence number, invalidating any transaction with a smaller sequence number
 
-**Usage:** `stellar tx new bump-sequence [OPTIONS] --source-account <SOURCE_ACCOUNT> --bump-to <BUMP_TO>`
+**Usage:** `stellar tx new bump-sequence [OPTIONS] --bump-to <BUMP_TO>`
 
 ###### **Options:**
 
@@ -1590,6 +1609,8 @@ Bumps forward the sequence number of the source account to the given sequence nu
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1601,7 +1622,7 @@ Bumps forward the sequence number of the source account to the given sequence nu
 
 Creates, updates, or deletes a trustline Learn more about trustlines https://developers.stellar.org/docs/learn/fundamentals/stellar-data-structures/accounts#trustlines
 
-**Usage:** `stellar tx new change-trust [OPTIONS] --source-account <SOURCE_ACCOUNT> --line <LINE>`
+**Usage:** `stellar tx new change-trust [OPTIONS] --line <LINE>`
 
 ###### **Options:**
 
@@ -1617,6 +1638,8 @@ Creates, updates, or deletes a trustline Learn more about trustlines https://dev
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1631,7 +1654,7 @@ Creates, updates, or deletes a trustline Learn more about trustlines https://dev
 
 Creates and funds a new account with the specified starting balance
 
-**Usage:** `stellar tx new create-account [OPTIONS] --source-account <SOURCE_ACCOUNT> --destination <DESTINATION>`
+**Usage:** `stellar tx new create-account [OPTIONS] --destination <DESTINATION>`
 
 ###### **Options:**
 
@@ -1647,6 +1670,8 @@ Creates and funds a new account with the specified starting balance
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1661,7 +1686,7 @@ Creates and funds a new account with the specified starting balance
 
 Sets, modifies, or deletes a data entry (name/value pair) that is attached to an account Learn more about entries and subentries: https://developers.stellar.org/docs/learn/fundamentals/stellar-data-structures/accounts#subentries
 
-**Usage:** `stellar tx new manage-data [OPTIONS] --source-account <SOURCE_ACCOUNT> --data-name <DATA_NAME>`
+**Usage:** `stellar tx new manage-data [OPTIONS] --data-name <DATA_NAME>`
 
 ###### **Options:**
 
@@ -1677,6 +1702,8 @@ Sets, modifies, or deletes a data entry (name/value pair) that is attached to an
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1689,7 +1716,7 @@ Sets, modifies, or deletes a data entry (name/value pair) that is attached to an
 
 Sends an amount in a specific asset to a destination account
 
-**Usage:** `stellar tx new payment [OPTIONS] --source-account <SOURCE_ACCOUNT> --destination <DESTINATION> --amount <AMOUNT>`
+**Usage:** `stellar tx new payment [OPTIONS] --destination <DESTINATION> --amount <AMOUNT>`
 
 ###### **Options:**
 
@@ -1705,6 +1732,8 @@ Sends an amount in a specific asset to a destination account
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1720,7 +1749,7 @@ Sends an amount in a specific asset to a destination account
 
 Set option for an account such as flags, inflation destination, signers, home domain, and master key weight Learn more about flags: https://developers.stellar.org/docs/learn/glossary#flags Learn more about the home domain: https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0001.md Learn more about signers operations and key weight: https://developers.stellar.org/docs/learn/encyclopedia/security/signatures-multisig#multisig
 
-**Usage:** `stellar tx new set-options [OPTIONS] --source-account <SOURCE_ACCOUNT>`
+**Usage:** `stellar tx new set-options [OPTIONS]`
 
 ###### **Options:**
 
@@ -1736,6 +1765,8 @@ Set option for an account such as flags, inflation destination, signers, home do
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
@@ -1762,7 +1793,7 @@ Set option for an account such as flags, inflation destination, signers, home do
 
 Allows issuing account to configure authorization and trustline flags to an asset The Asset parameter is of the `TrustLineAsset` type. If you are modifying a trustline to a regular asset (i.e. one in a Code:Issuer format), this is equivalent to the Asset type. If you are modifying a trustline to a pool share, however, this is composed of the liquidity pool's unique ID. Learn more about flags: https://developers.stellar.org/docs/learn/glossary#flags
 
-**Usage:** `stellar tx new set-trustline-flags [OPTIONS] --source-account <SOURCE_ACCOUNT> --trustor <TRUSTOR> --asset <ASSET>`
+**Usage:** `stellar tx new set-trustline-flags [OPTIONS] --trustor <TRUSTOR> --asset <ASSET>`
 
 ###### **Options:**
 
@@ -1778,6 +1809,8 @@ Allows issuing account to configure authorization and trustline flags to an asse
 * `--network-passphrase <NETWORK_PASSPHRASE>` — Network passphrase to sign the transaction sent to the rpc server
 * `--network <NETWORK>` — Name of network to use from config
 * `--source-account <SOURCE_ACCOUNT>` — Account that where transaction originates from. Alias `source`. Can be an identity (--source alice), a public key (--source GDKW...), a muxed account (--source MDA…), a secret key (--source SC36…), or a seed phrase (--source "kite urban…"). If `--build-only` or `--sim-only` flags were NOT provided, this key will also be used to sign the final transaction. In that case, trying to sign with public key will fail
+
+  Default value: ``
 * `--hd-path <HD_PATH>` — If using a seed phrase, which hierarchical deterministic path to use, e.g. `m/44'/148'/{hd_path}`. Example: `--hd-path 1`. Default: `0`
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
index f45484ffb..172a80888 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
@@ -12,6 +12,7 @@
         "buffer": "6.0.3"
       },
       "devDependencies": {
+        "@types/node": "^22.7.4",
         "typescript": "5.3.3"
       }
     },
@@ -47,6 +48,16 @@
         "urijs": "^1.19.1"
       }
     },
+    "node_modules/@types/node": {
+      "version": "22.7.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.4.tgz",
+      "integrity": "sha512-y+NPi1rFzDs1NdQHHToqeiX2TIS79SWEAw9GYhkkx8bD0ChpfqC+n2j5OXOCpzfojBEBt6DnEnnG9MY0zk1XLg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.19.2"
+      }
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "license": "MIT"
@@ -288,6 +299,13 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/undici-types": {
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/urijs": {
       "version": "1.19.11",
       "license": "MIT"
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
index 5cc5e337f..35504c2c5 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
@@ -8,10 +8,11 @@
     "build": "tsc"
   },
   "dependencies": {
-    "buffer": "6.0.3",
-    "@stellar/stellar-sdk": "12.1.0"
+    "@stellar/stellar-sdk": "12.1.0",
+    "buffer": "6.0.3"
   },
   "devDependencies": {
+    "@types/node": "^22.7.4",
     "typescript": "5.3.3"
   }
 }
diff --git a/cmd/crates/soroban-spec-typescript/src/project_template/package.json b/cmd/crates/soroban-spec-typescript/src/project_template/package.json
index e9ba581a3..553d45831 100644
--- a/cmd/crates/soroban-spec-typescript/src/project_template/package.json
+++ b/cmd/crates/soroban-spec-typescript/src/project_template/package.json
@@ -8,10 +8,10 @@
     "build": "tsc"
   },
   "dependencies": {
-    "buffer": "6.0.3",
-    "@stellar/stellar-sdk": "12.1.0"
+    "@stellar/stellar-sdk": "12.1.0",
+    "buffer": "6.0.3"
   },
   "devDependencies": {
-    "typescript": "5.3.3"
+    "typescript": "^5.6.2"
   }
 }
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json b/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
index deee8f09d..357de4a2c 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
@@ -14,7 +14,7 @@
         "ava": "^5.3.1",
         "dotenv": "^16.3.1",
         "eslint": "^8.53.0",
-        "typescript": "^5.3.3"
+        "typescript": "^5.6.2"
       }
     },
     "node_modules/@ava/typescript": {
@@ -3194,10 +3194,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.2.tgz",
+      "integrity": "sha512-NW8ByodCSNCwZeghjN3o+JX5OFH0Ojg6sadjEKY4huZ52TqbJTJnDo5+Tw98lSy63NZvi4n+ez5m2u5d4PkZyw==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/package.json b/cmd/crates/soroban-spec-typescript/ts-tests/package.json
index 734b26bba..b3f1990dd 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/package.json
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/package.json
@@ -8,14 +8,14 @@
   },
   "devDependencies": {
     "@ava/typescript": "^4.1.0",
+    "@stellar/stellar-sdk": "12.2.0",
     "@types/node": "^20.4.9",
     "@typescript-eslint/eslint-plugin": "^6.10.0",
     "@typescript-eslint/parser": "^6.10.0",
     "ava": "^5.3.1",
     "dotenv": "^16.3.1",
     "eslint": "^8.53.0",
-    "@stellar/stellar-sdk": "12.2.0",
-    "typescript": "^5.3.3"
+    "typescript": "^5.6.2"
   },
   "ava": {
     "typescript": {
@@ -29,4 +29,3 @@
     ]
   }
 }
-
diff --git a/cmd/crates/soroban-test/tests/it/integration.rs b/cmd/crates/soroban-test/tests/it/integration.rs
index d6db5842b..3ec0d61ed 100644
--- a/cmd/crates/soroban-test/tests/it/integration.rs
+++ b/cmd/crates/soroban-test/tests/it/integration.rs
@@ -3,8 +3,8 @@ mod constructor;
 mod cookbook;
 mod custom_types;
 mod dotenv;
-mod fund;
 mod hello_world;
+mod keys;
 mod snapshot;
 mod tx;
 mod util;
diff --git a/cmd/crates/soroban-test/tests/it/integration/fund.rs b/cmd/crates/soroban-test/tests/it/integration/fund.rs
deleted file mode 100644
index 263775412..000000000
--- a/cmd/crates/soroban-test/tests/it/integration/fund.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use soroban_test::TestEnv;
-
-#[tokio::test]
-#[allow(clippy::too_many_lines)]
-async fn fund() {
-    let sandbox = &TestEnv::new();
-    sandbox
-        .new_assert_cmd("keys")
-        .arg("generate")
-        .arg("test")
-        .assert()
-        .success();
-    sandbox
-        .new_assert_cmd("keys")
-        .arg("fund")
-        .arg("test")
-        .assert()
-        // Don't expect error if friendbot indicated that the account is
-        // already fully funded to the starting balance, because the
-        // user's goal is to get funded, and the account is funded
-        // so it is success much the same.
-        .success();
-}
diff --git a/cmd/crates/soroban-test/tests/it/integration/keys.rs b/cmd/crates/soroban-test/tests/it/integration/keys.rs
new file mode 100644
index 000000000..267a0b095
--- /dev/null
+++ b/cmd/crates/soroban-test/tests/it/integration/keys.rs
@@ -0,0 +1,76 @@
+use predicates::prelude::predicate;
+use soroban_test::AssertExt;
+use soroban_test::TestEnv;
+
+fn pubkey_for_identity(sandbox: &TestEnv, name: &str) -> String {
+    let output = sandbox
+        .new_assert_cmd("keys")
+        .arg("address")
+        .arg(name)
+        .assert()
+        .stdout_as_str();
+    return output;
+}
+
+#[tokio::test]
+#[allow(clippy::too_many_lines)]
+async fn fund() {
+    let sandbox = &TestEnv::new();
+    sandbox
+        .new_assert_cmd("keys")
+        .arg("generate")
+        .arg("test2")
+        .assert()
+        .success();
+    sandbox
+        .new_assert_cmd("keys")
+        .arg("fund")
+        .arg("test2")
+        .assert()
+        // Don't expect error if friendbot indicated that the account is
+        // already fully funded to the starting balance, because the
+        // user's goal is to get funded, and the account is funded
+        // so it is success much the same.
+        .success();
+}
+
+#[tokio::test]
+#[allow(clippy::too_many_lines)]
+async fn overwrite_identity() {
+    let sandbox = &TestEnv::new();
+    sandbox
+        .new_assert_cmd("keys")
+        .arg("generate")
+        .arg("test2")
+        .assert()
+        .success();
+
+    let initial_pubkey = sandbox
+        .new_assert_cmd("keys")
+        .arg("address")
+        .arg("test2")
+        .assert()
+        .stdout_as_str();
+
+    sandbox
+        .new_assert_cmd("keys")
+        .arg("generate")
+        .arg("test2")
+        .assert()
+        .stderr(predicate::str::contains(
+            "error: An identity with the name 'test2' already exists",
+        ));
+
+    assert_eq!(initial_pubkey, pubkey_for_identity(&sandbox, "test2"));
+
+    sandbox
+        .new_assert_cmd("keys")
+        .arg("generate")
+        .arg("test2")
+        .arg("--overwrite")
+        .assert()
+        .stderr(predicate::str::contains("Overwriting identity 'test2'"))
+        .success();
+
+    assert_ne!(initial_pubkey, pubkey_for_identity(&sandbox, "test2"));
+}
diff --git a/cmd/soroban-cli/src/commands/keys/generate.rs b/cmd/soroban-cli/src/commands/keys/generate.rs
index b59e227fc..c6623386c 100644
--- a/cmd/soroban-cli/src/commands/keys/generate.rs
+++ b/cmd/soroban-cli/src/commands/keys/generate.rs
@@ -10,10 +10,15 @@ use crate::{commands::global, print::Print};
 pub enum Error {
     #[error(transparent)]
     Config(#[from] locator::Error),
+
     #[error(transparent)]
     Secret(#[from] secret::Error),
+
     #[error(transparent)]
     Network(#[from] network::Error),
+
+    #[error("An identity with the name '{0}' already exists")]
+    IdentityAlreadyExists(String),
 }
 
 #[derive(Debug, clap::Parser, Clone)]
@@ -52,29 +57,47 @@ pub struct Cmd {
     /// Fund generated key pair
     #[arg(long, default_value = "false")]
     pub fund: bool,
+
+    /// Overwrite existing identity if it already exists.
+    #[arg(long)]
+    pub overwrite: bool,
 }
 
 impl Cmd {
     pub async fn run(&self, global_args: &global::Args) -> Result<(), Error> {
+        let print = Print::new(global_args.quiet);
+
+        if self.config_locator.read_identity(&self.name).is_ok() {
+            if !self.overwrite {
+                return Err(Error::IdentityAlreadyExists(self.name.clone()));
+            }
+
+            print.exclaimln(format!("Overwriting identity '{}'", &self.name));
+        }
+
         if !self.fund {
-            Print::new(global_args.quiet).warnln(
+            print.warnln(
                 "Behavior of `generate` will change in the \
             future, and it will no longer fund by default. If you want to fund please \
             provide `--fund` flag. If you don't need to fund your keys in the future, ignore this \
             warning. It can be suppressed with -q flag.",
             );
         }
+
         let seed_phrase = if self.default_seed {
             Secret::test_seed_phrase()
         } else {
             Secret::from_seed(self.seed.as_deref())
         }?;
+
         let secret = if self.as_secret {
             seed_phrase.private_key(self.hd_path)?.into()
         } else {
             seed_phrase
         };
+
         self.config_locator.write_identity(&self.name, &secret)?;
+
         if !self.no_fund {
             let addr = secret.public_key(self.hd_path)?;
             let network = self.network.get(&self.config_locator)?;
@@ -86,6 +109,7 @@ impl Cmd {
                 })
                 .unwrap_or_default();
         }
+
         Ok(())
     }
 }
diff --git a/cmd/soroban-cli/src/config/address.rs b/cmd/soroban-cli/src/config/address.rs
index 066bc8d91..811548316 100644
--- a/cmd/soroban-cli/src/config/address.rs
+++ b/cmd/soroban-cli/src/config/address.rs
@@ -2,7 +2,7 @@ use std::str::FromStr;
 
 use crate::xdr;
 
-use super::{locator, secret};
+use super::{locator, secret, Config};
 
 /// Address can be either a public key or eventually an alias of a address.
 #[derive(Clone, Debug)]
@@ -31,8 +31,16 @@ impl FromStr for Address {
     type Err = Error;
 
     fn from_str(value: &str) -> Result<Self, Self::Err> {
-        Ok(xdr::MuxedAccount::from_str(value).map_or_else(
-            |_| Address::AliasOrSecret(value.to_string()),
+        let mut identity = value.to_string();
+
+        if value.is_empty() {
+            if let Ok(config) = Config::new() {
+                identity = config.defaults.identity.unwrap_or_default();
+            }
+        }
+
+        Ok(xdr::MuxedAccount::from_str(&identity).map_or_else(
+            |_| Address::AliasOrSecret(identity.to_string()),
             Address::MuxedAccount,
         ))
     }
diff --git a/cmd/soroban-cli/src/config/mod.rs b/cmd/soroban-cli/src/config/mod.rs
index 11eb179ee..396b2b8cc 100644
--- a/cmd/soroban-cli/src/config/mod.rs
+++ b/cmd/soroban-cli/src/config/mod.rs
@@ -47,7 +47,12 @@ pub struct Args {
     #[command(flatten)]
     pub network: network::Args,
 
-    #[arg(long, visible_alias = "source", env = "STELLAR_ACCOUNT")]
+    #[arg(
+        long,
+        visible_alias = "source",
+        env = "STELLAR_ACCOUNT",
+        default_value = ""
+    )]
     /// Account that where transaction originates from. Alias `source`.
     /// Can be an identity (--source alice), a public key (--source GDKW...),
     /// a muxed account (--source MDA…), a secret key (--source SC36…),
diff --git a/cmd/soroban-cli/src/print.rs b/cmd/soroban-cli/src/print.rs
index ca66cdc50..fb9fb43dd 100644
--- a/cmd/soroban-cli/src/print.rs
+++ b/cmd/soroban-cli/src/print.rs
@@ -105,3 +105,4 @@ create_print_functions!(plus, plusln, "➕");
 create_print_functions!(save, saveln, "💾");
 create_print_functions!(search, searchln, "🔎");
 create_print_functions!(warn, warnln, "⚠️");
+create_print_functions!(exclaim, exclaimln, "❗️");